| Aa River (Meuse) | 35% | 136 | 415 |
| Aar (Lahn) (Lahn) | 49% | 76 | 538 |
| Abakan | 38% | 118 | 443 |
| Abasha | 49% | 75 | 541 |
| Abe River | 47% | 80 | 527 |
| Abercrombie River | 44% | 91 | 500 |
| Abitibi River | 27% | 206 | 340 |
| Abukuma River | 30% | 177 | 366 |
| Acher | 47% | 82 | 521 |
| Acheron River (Victoria) | 44% | 94 | 493 |
| Achwa | 39% | 115 | 448 |
| Adaja river | 45% | 89 | 503 |
| Afon Glaslyn | 28% | 192 | 352 |
| Afram River | 43% | 96 | 488 |
| Afrin River | 34% | 143 | 406 |
| Again River | 46% | 86 | 510 |
| Agano River | 28% | 189 | 354 |
| Agout | 48% | 78 | 533 |
| Aguán River | 44% | 94 | 493 |
| Aguanaval River | 48% | 79 | 530 |
| Aguarico River | 41% | 104 | 471 |
| Águeda River | 46% | 85 | 512 |
| Aie River | 42% | 99 | 481 |
| Aiviekste | 49% | 74 | 544 |
| Akhtuba | 34% | 142 | 407 |
| Akhurian River | 27% | 198 | 346 |
| Akkanburlyk | 44% | 94 | 493 |
| Akobo River | 43% | 98 | 483 |
| Aksu Brook (Turkey) | 33% | 150 | 397 |
| Aksu River (Xinjiang) | 29% | 186 | 357 |
| Ala-Arça | 49% | 76 | 538 |
| Alagnak River | 30% | 169 | 374 |
| Alamosa River | 45% | 89 | 503 |
| Alamüdün River | 49% | 75 | 541 |
| Alatna River | 45% | 90 | 502 |
| Alazeya | 43% | 96 | 488 |
| Alb (Upper Rhine) | 50% | 73 | 547 |
| Alcovy River | 37% | 126 | 432 |
| Aldan | 27% | 198 | 346 |
| Alingar River | 46% | 83 | 518 |
| Almanzora | 44% | 93 | 496 |
| Alouette River | 41% | 105 | 469 |
| Alsea River | 25% | 222 | 328 |
| Altaelva | 26% | 213 | 335 |
| Alter Rhein | 34% | 144 | 404 |
| Alwand River | 46% | 85 | 512 |
| Alz | 39% | 114 | 450 |
| Amable du Fond River | 37% | 123 | 436 |
| Amba River (India) | 44% | 91 | 500 |
| Ambarnaya River | 49% | 76 | 538 |
| Amblève | 31% | 164 | 379 |
| Ameca | 36% | 131 | 424 |
| Amgun River | 47% | 82 | 521 |
| Anabar | 39% | 113 | 452 |
| Anapo | 39% | 116 | 447 |
| Anchor River | 42% | 100 | 479 |
| Andarab | 48% | 78 | 533 |
| Andarax | 39% | 114 | 450 |
| Andelle | 47% | 80 | 527 |
| Anderson River (Indiana) | 48% | 77 | 536 |
| Anderson River (Northwest Territories) | 40% | 108 | 462 |
| Andi Koysu | 48% | 77 | 536 |
| Andreafsky River | 47% | 82 | 521 |
| Ångermanälven | 36% | 128 | 428 |
| Angitis | 43% | 96 | 488 |
| Angrapa | 29% | 185 | 357 |
| Ankara River | 29% | 186 | 357 |
| Ankobra River | 31% | 164 | 379 |
| Annapolis River | 26% | 216 | 333 |
| Anseba River | 44% | 94 | 493 |
| Apa River | 26% | 217 | 332 |
| Apaporís river | 39% | 112 | 454 |
| Apple River (Illinois) | 35% | 137 | 414 |
| Applegate River | 30% | 173 | 370 |
| Apure River | 34% | 140 | 409 |
| Arachthos | 32% | 154 | 392 |
| Arade River | 30% | 170 | 373 |
| Aragón | 26% | 212 | 336 |
| Araguari River (Amapá) | 32% | 154 | 392 |
| Arahura River | 32% | 156 | 389 |
| Arauca River | 40% | 108 | 462 |
| Aravaipa Creek | 35% | 135 | 417 |
| Arawhata River | 46% | 83 | 518 |
| Arbia | 48% | 77 | 536 |
| Arc (Provence) | 36% | 128 | 428 |
| Arc (Savoie) | 41% | 103 | 473 |
| Arctic Red River | 37% | 127 | 430 |
| Arga | 45% | 90 | 502 |
| Argen | 40% | 111 | 457 |
| Argens | 44% | 92 | 498 |
| Argun (Caucasus) | 33% | 147 | 400 |
| Ariari River | 47% | 82 | 521 |
| Arie River | 48% | 78 | 533 |
| Ariège | 29% | 181 | 362 |
| Arieș River | 31% | 162 | 382 |
| Arize | 40% | 110 | 459 |
| Arlanza River | 29% | 183 | 360 |
| Arlanzón River | 44% | 94 | 493 |
| Arpa River | 36% | 129 | 427 |
| Arroyo Colorado | 36% | 131 | 424 |
| Arthur River (Tasmania) | 36% | 132 | 422 |
| Aruwimi River | 27% | 201 | 343 |
| As River | 47% | 82 | 521 |
| Asahan River | 36% | 129 | 427 |
| Ashburton River (Western Australia) | 33% | 147 | 400 |
| Ashley River / Rakahuri | 42% | 100 | 479 |
| Ashtabula River | 31% | 164 | 379 |
| Ashuapmushuan River | 41% | 106 | 466 |
| Ashuelot River | 25% | 223 | 327 |
| Asopos (Boeotia) | 28% | 193 | 351 |
| Assa River | 45% | 89 | 503 |
| Atabapo River | 48% | 79 | 530 |
| Aterno-Pescara | 31% | 164 | 379 |
| Ätran (river) | 47% | 80 | 527 |
| Attawapiskat River | 35% | 138 | 412 |
| Atuel River | 38% | 119 | 442 |
| Aube | 37% | 124 | 434 |
| Aulne | 41% | 104 | 471 |
| Aura River | 26% | 219 | 330 |
| Aure | 39% | 114 | 450 |
| Authie | 44% | 94 | 493 |
| Aveyron | 34% | 139 | 410 |
| Avon River (Nova Scotia) | 38% | 121 | 439 |
| Awatere River | 47% | 81 | 524 |
| Ayalon River | 36% | 132 | 422 |
| Azat River | 32% | 156 | 389 |
| Bacchiglione | 28% | 194 | 350 |
| Bad River (South Dakota) | 27% | 205 | 340 |
| Bad River (Wisconsin) | 30% | 172 | 371 |
| Bafing River | 38% | 117 | 445 |
| Bago River | 34% | 142 | 407 |
| Bahr al-Arab | 32% | 160 | 385 |
| Bahr el Zeraf | 35% | 138 | 412 |
| Bahr Salamat | 49% | 76 | 538 |
| Bailong River | 47% | 82 | 521 |
| Baïse | 48% | 79 | 530 |
| Baker River (Chile) | 26% | 213 | 335 |
| Bakhmutka | 43% | 95 | 490 |
| Baksan | 45% | 88 | 505 |
| Baliem River | 35% | 137 | 414 |
| Balkh River | 30% | 172 | 371 |
| Bandama River | 34% | 143 | 406 |
| Bandon | 25% | 223 | 327 |
| Bang Pakong River | 28% | 193 | 351 |
| Baraboo River | 27% | 200 | 344 |
| Baram River | 28% | 190 | 354 |
| Barcău River | 49% | 74 | 544 |
| Barcoo River | 27% | 198 | 346 |
| Barguzin | 34% | 143 | 406 |
| Bark River (Rock River tributary) | 48% | 79 | 530 |
| Barka River | 28% | 197 | 348 |
| Bârlad River | 48% | 78 | 533 |
| Barron River (Ontario) | 40% | 109 | 460 |
| Bartın River | 45% | 88 | 505 |
| Basento | 46% | 84 | 515 |
| Baspa River | 25% | 225 | 326 |
| Batang Hari | 26% | 215 | 334 |
| Battle Creek River | 31% | 161 | 383 |
| Bayou Macon | 36% | 131 | 424 |
| Bayou Pierre (Mississippi) | 43% | 97 | 485 |
| Beatton River | 44% | 93 | 496 |
| Beaver River (Canada) | 28% | 197 | 348 |
| Beaver River (Grey County) | 31% | 163 | 380 |
| Bečva | 47% | 82 | 521 |
| Bei River | 33% | 148 | 399 |
| Belaya (Kama) | 26% | 219 | 330 |
| Belén River | 46% | 85 | 512 |
| Bell River (New South Wales) | 47% | 81 | 524 |
| Bella Coola River | 27% | 204 | 341 |
| Belle River (Michigan) | 40% | 109 | 460 |
| Bellinger River | 39% | 114 | 450 |
| Belly River | 31% | 162 | 382 |
| Belubula River | 40% | 110 | 459 |
| Benito River | 43% | 95 | 490 |
| Berdan Brook | 26% | 215 | 334 |
| Berens River | 41% | 104 | 471 |
| Berkel | 41% | 103 | 473 |
| Bernam River | 43% | 96 | 488 |
| Berounka | 26% | 208 | 338 |
| Betsiboka River | 27% | 207 | 339 |
| Bhadar River | 34% | 145 | 403 |
| Bhairab River | 30% | 175 | 368 |
| Bheri River | 28% | 191 | 353 |
| Bhilangna River | 33% | 147 | 400 |
| Bia River | 30% | 176 | 367 |
| Bicol River | 27% | 204 | 341 |
| Biebrza | 33% | 151 | 396 |
| Biferno | 42% | 99 | 481 |
| Big Muddy Creek (Missouri River tributary) | 49% | 75 | 541 |
| Big Piney Creek | 49% | 74 | 544 |
| Big Piney River | 29% | 184 | 358 |
| Big Sable River | 44% | 93 | 496 |
| Big Salmon River (Yukon) | 32% | 159 | 386 |
| Big Sandy Creek (Colorado) | 32% | 154 | 392 |
| Big Sandy River (Arizona) | 37% | 125 | 433 |
| Big Sandy River (Tennessee) | 43% | 97 | 485 |
| Big Sandy River (Wyoming) | 39% | 112 | 454 |
| Big South Fork of the Cumberland River | 31% | 164 | 379 |
| Bikin | 31% | 161 | 383 |
| Bílina | 39% | 114 | 450 |
| Bill Williams River | 25% | 222 | 328 |
| Bille (Elbe) | 35% | 135 | 417 |
| Binačka Morava | 43% | 96 | 488 |
| Bira | 47% | 81 | 524 |
| Birs | 40% | 111 | 457 |
| Bisagno | 50% | 73 | 547 |
| Bistrița River (Siret) | 26% | 208 | 338 |
| Bistrița River (Someș) | 44% | 92 | 498 |
| Biya | 32% | 155 | 391 |
| Black Elster | 39% | 114 | 450 |
| Black Fork Mohican River | 43% | 95 | 490 |
| Black River (Connecticut River tributary) | 43% | 98 | 483 |
| Black Sturgeon River (Thunder Bay District) | 49% | 76 | 538 |
| Blackfoot River (Idaho) | 41% | 104 | 471 |
| Blackwater River (Missouri) | 42% | 99 | 481 |
| Blanchard River | 37% | 123 | 436 |
| Blanda | 49% | 75 | 541 |
| Blau (Danube) | 41% | 107 | 465 |
| Blavet | 38% | 119 | 442 |
| Blies | 48% | 77 | 536 |
| Blindman River | 41% | 106 | 466 |
| Bloodvein River | 28% | 197 | 348 |
| Blue River (Missouri River tributary) | 28% | 192 | 352 |
| Bluefields River (Nicaragua) | 42% | 102 | 475 |
| Bluestone River | 33% | 153 | 393 |
| Bode | 42% | 99 | 481 |
| Bodrog | 26% | 218 | 331 |
| Boesmans River (Eastern Cape) | 40% | 109 | 460 |
| Boeuf River | 39% | 114 | 450 |
| Bogachiel River | 31% | 165 | 378 |
| Bonnechere River | 25% | 224 | 326 |
| Boone River | 44% | 94 | 493 |
| Bormida | 46% | 85 | 512 |
| Bouie River | 46% | 86 | 510 |
| Boulder River (Sweet Grass County, Montana) | 39% | 114 | 450 |
| Bourbeuse River | 30% | 174 | 369 |
| Bowen River (Queensland) | 43% | 96 | 488 |
| Boyne River (Central Queensland) | 33% | 149 | 397 |
| Bradano | 49% | 75 | 541 |
| Braldu River | 32% | 154 | 392 |
| Brazeau River | 38% | 119 | 442 |
| Brda | 27% | 202 | 343 |
| Bregalnica | 26% | 212 | 336 |
| Bregenzerach | 50% | 73 | 547 |
| Brembo | 26% | 210 | 337 |
| Bremer River (Queensland) | 26% | 209 | 337 |
| Bremer River (South Australia) | 27% | 204 | 341 |
| Brenz | 48% | 77 | 536 |
| Bresle | 45% | 88 | 505 |
| Broken River (Victoria) | 29% | 178 | 365 |
| Broye | 40% | 108 | 462 |
| Bruneau River | 26% | 219 | 330 |
| Brynica | 47% | 80 | 527 |
| Bueno River | 44% | 94 | 493 |
| Buffalo River (Minnesota) | 49% | 74 | 544 |
| Buffalo River (Wisconsin) | 47% | 80 | 527 |
| Bukhtarma River | 42% | 99 | 481 |
| Bulkley River | 31% | 166 | 377 |
| Bull Run (Occoquan River tributary) | 26% | 213 | 335 |
| Burnt River (Ontario) | 37% | 126 | 432 |
| Burnt River (Oregon) | 35% | 137 | 414 |
| Burntwood River | 45% | 88 | 505 |
| Buttahatchee River | 41% | 105 | 469 |
| Butte Creek (Butte County, California) | 39% | 114 | 450 |
| Buzău River | 36% | 131 | 424 |
| Buzi River (Mozambique) | 37% | 126 | 432 |
| Bzura | 34% | 145 | 403 |
| Bzyb River | 38% | 119 | 442 |
| Cả River | 42% | 101 | 477 |
| Cache Creek (Sacramento River tributary) | 25% | 225 | 326 |
| Caddo River | 27% | 198 | 346 |
| Cagayan River (Mindanao) | 29% | 180 | 363 |
| Cahabón River | 46% | 84 | 515 |
| Calapooia River | 27% | 198 | 346 |
| Calaveras River | 30% | 174 | 369 |
| Calavon | 49% | 74 | 544 |
| Calle-Calle River | 27% | 202 | 343 |
| Calliope River | 39% | 112 | 454 |
| Calore Irpino | 42% | 100 | 479 |
| Canche | 33% | 150 | 397 |
| Caney Creek (Matagorda Bay) | 34% | 143 | 406 |
| Caney River | 36% | 132 | 422 |
| Canning River (Alaska) | 43% | 96 | 488 |
| Canning River (Western Australia) | 27% | 199 | 345 |
| Cannonball River | 38% | 118 | 443 |
| Capibaribe River | 28% | 189 | 354 |
| Carcarañá River | 40% | 111 | 457 |
| Cares | 39% | 115 | 448 |
| Carrabassett River | 42% | 99 | 481 |
| Carrao River | 46% | 83 | 518 |
| Carrot River (Saskatchewan) | 38% | 119 | 442 |
| Cascade River (Alberta) | 47% | 81 | 524 |
| Cass River (Michigan) | 28% | 196 | 349 |
| Casselman River | 29% | 183 | 360 |
| Castor River (Missouri) | 34% | 144 | 404 |
| Catawissa Creek | 48% | 78 | 533 |
| Caura River (Venezuela) | 39% | 112 | 454 |
| Cávado River | 26% | 217 | 332 |
| Cavalla River | 29% | 184 | 358 |
| Cayoosh Creek | 40% | 111 | 457 |
| Ćehotina | 43% | 97 | 485 |
| Célé | 47% | 81 | 524 |
| Céou | 35% | 138 | 412 |
| Cerna (Danube) (Danube) | 33% | 150 | 397 |
| Cèze | 37% | 125 | 433 |
| Chagan (Irtysh) | 46% | 85 | 512 |
| Chalumna River | 28% | 189 | 354 |
| Chara | 34% | 139 | 410 |
| Chariton River | 26% | 208 | 338 |
| Charyn River | 42% | 100 | 479 |
| Chatanika River | 43% | 96 | 488 |
| Chavanon | 46% | 84 | 515 |
| Cheremosh River | 35% | 134 | 419 |
| Chewaucan River | 33% | 147 | 400 |
| Chickasawhay River | 31% | 162 | 382 |
| Chiers | 44% | 91 | 500 |
| Chiese | 44% | 92 | 498 |
| Chikaskia River | 35% | 136 | 415 |
| Chikugo River | 33% | 152 | 394 |
| Chilcotin River | 27% | 206 | 340 |
| Chilkat River | 31% | 165 | 378 |
| Chilko River | 32% | 156 | 389 |
| Chinchaga River | 31% | 167 | 376 |
| Chinchipe River | 42% | 99 | 481 |
| Chippewa River (Michigan) | 26% | 208 | 338 |
| Chippewa River (Minnesota) | 39% | 113 | 452 |
| Chir | 26% | 213 | 335 |
| Chira River | 46% | 83 | 518 |
| Chirchiq | 36% | 131 | 424 |
| Chitina River | 39% | 112 | 454 |
| Chiwawa River | 38% | 117 | 445 |
| Chixoy River | 37% | 125 | 433 |
| Choapa River | 30% | 169 | 374 |
| Chong-Kemin River | 35% | 136 | 415 |
| Chorna River | 43% | 96 | 488 |
| Chowchilla River | 37% | 124 | 434 |
| Chucunaque River | 32% | 157 | 388 |
| Chulitna River (Susitna River tributary) | 46% | 85 | 512 |
| Chuluut River | 47% | 82 | 521 |
| Churni River | 28% | 197 | 348 |
| Churún River | 26% | 211 | 336 |
| Chusovaya | 29% | 183 | 360 |
| Ci Sadane | 36% | 130 | 425 |
| Ciane | 40% | 111 | 457 |
| Cibin River | 42% | 102 | 475 |
| Cinca River (Spain) | 41% | 106 | 466 |
| Cispus River | 32% | 160 | 385 |
| Clain | 38% | 119 | 442 |
| Clam River (Michigan) | 37% | 123 | 436 |
| Cle Elum River | 31% | 164 | 379 |
| Clear Creek (Harris County, Texas) | 39% | 115 | 448 |
| Clear Fork Mohican River | 38% | 118 | 443 |
| Clearwater River (Alberta) | 31% | 164 | 379 |
| Clearwater River (British Columbia) | 32% | 156 | 389 |
| Clearwater River (Saskatchewan) | 27% | 202 | 343 |
| Clitunno | 48% | 79 | 530 |
| Clyde River (New South Wales) | 27% | 199 | 345 |
| Côa | 29% | 179 | 364 |
| Cohocton River | 34% | 144 | 404 |
| Coldwater River (Mississippi) | 38% | 122 | 438 |
| Coleen River | 32% | 157 | 388 |
| Colentina River | 43% | 96 | 488 |
| Coliban River | 39% | 114 | 450 |
| Collie River | 41% | 104 | 471 |
| Collins River | 38% | 121 | 439 |
| Colo River | 26% | 214 | 334 |
| Colville River (Washington) | 49% | 75 | 541 |
| Comite River | 43% | 96 | 488 |
| Conewago Creek (west) | 36% | 129 | 427 |
| Conewango Creek | 33% | 151 | 396 |
| Conneaut Creek | 37% | 126 | 432 |
| Contentnea Creek | 36% | 131 | 424 |
| Copiapó River | 41% | 105 | 469 |
| Corrèze | 44% | 92 | 498 |
| Corubal River | 50% | 73 | 547 |
| Corumbá River | 46% | 84 | 515 |
| Cosna River (Alaska) | 41% | 107 | 465 |
| Cotter River | 37% | 123 | 436 |
| Cottonwood Creek (Sacramento River tributary) | 47% | 81 | 524 |
| Cottonwood River (Minnesota) | 32% | 158 | 387 |
| Coulonge River | 35% | 135 | 417 |
| Courtois Creek | 32% | 158 | 387 |
| Cowichan River | 30% | 171 | 372 |
| Coxs River | 29% | 179 | 364 |
| Craig Creek | 43% | 95 | 490 |
| Crasna (Tisza) | 39% | 112 | 454 |
| Crathis | 39% | 115 | 448 |
| Creuse | 30% | 169 | 374 |
| Crișul Alb River | 43% | 97 | 485 |
| Crișul Negru River | 39% | 112 | 454 |
| Crna (Vardar) | 28% | 188 | 355 |
| Crowe River | 32% | 160 | 385 |
| Crowsnest River | 33% | 148 | 399 |
| Crystal River (Colorado) | 29% | 182 | 361 |
| Cucharas River | 44% | 93 | 496 |
| Cudgegong River | 40% | 110 | 459 |
| Cuiabá River | 33% | 146 | 401 |
| Cuivre River | 31% | 162 | 382 |
| Culgoa River | 31% | 168 | 375 |
| Culiacán River | 41% | 105 | 469 |
| Curaray River | 25% | 225 | 326 |
| Cuyama River | 35% | 135 | 417 |
| Cuyuni River | 31% | 168 | 375 |
| Czarna Hańcza | 35% | 138 | 412 |
| Dadès River | 37% | 123 | 436 |
| Dahan River | 46% | 85 | 512 |
| Dahme | 36% | 132 | 422 |
| Dajia River | 40% | 109 | 460 |
| Dalaman Brook | 35% | 134 | 419 |
| Daling River | 48% | 77 | 536 |
| Dallol Bosso | 49% | 76 | 538 |
| Dan River (China) | 49% | 75 | 541 |
| Dão River | 44% | 91 | 500 |
| Dart River / Te Awa Whakatipu | 37% | 123 | 436 |
| Davao River | 29% | 181 | 362 |
| Dawson River (Queensland) | 29% | 181 | 362 |
| De Grey River | 44% | 92 | 498 |
| Deadman River | 42% | 99 | 481 |
| Dean River | 32% | 155 | 391 |
| Dearborn River | 44% | 93 | 496 |
| Deep Creek (Melbourne) | 46% | 84 | 515 |
| Delatite River | 44% | 94 | 493 |
| Delaware River (Kansas) | 41% | 106 | 466 |
| Delgermörön | 43% | 96 | 488 |
| Demer | 32% | 159 | 386 |
| Dender | 30% | 174 | 369 |
| Densu River | 27% | 203 | 342 |
| Desaguadero River (Argentina) | 26% | 216 | 333 |
| Deseado River | 35% | 136 | 415 |
| Đetinja | 32% | 156 | 389 |
| Deûle | 26% | 217 | 332 |
| Deva | 42% | 99 | 481 |
| Devoll | 29% | 184 | 358 |
| Dez River | 29% | 183 | 360 |
| Dhadhar River | 36% | 129 | 427 |
| Dhansiri River | 38% | 119 | 442 |
| Diahot River | 42% | 100 | 479 |
| Digul River | 33% | 146 | 401 |
| Dinder River | 34% | 139 | 410 |
| Dirillo | 40% | 111 | 457 |
| Dives | 29% | 181 | 362 |
| Dix River | 41% | 107 | 465 |
| Dja River | 43% | 96 | 488 |
| Djedi River | 47% | 80 | 527 |
| Dobra (Kupa) | 37% | 127 | 430 |
| Dog River (Ontario) | 49% | 74 | 544 |
| Dong River (China) | 27% | 198 | 346 |
| Donga River | 38% | 122 | 438 |
| Donner und Blitzen River | 32% | 158 | 387 |
| Dora Riparia | 29% | 184 | 358 |
| Drac | 31% | 161 | 383 |
| Dragonja | 27% | 199 | 345 |
| Drammenselva | 36% | 130 | 425 |
| Drance | 47% | 82 | 521 |
| Drawa | 41% | 105 | 469 |
| Drinjača | 42% | 101 | 477 |
| Drino | 25% | 224 | 326 |
| Driva | 46% | 84 | 515 |
| Drôme | 29% | 183 | 360 |
| Dronne | 43% | 98 | 483 |
| Drwęca | 37% | 123 | 436 |
| Dubysa | 37% | 124 | 434 |
| Duchesne River | 27% | 202 | 343 |
| Dulce River (Argentina) | 36% | 131 | 424 |
| Dumaresq River | 31% | 168 | 375 |
| Dungeness River | 32% | 160 | 385 |
| East Branch Penobscot River | 41% | 107 | 465 |
| East Fork Carson River | 45% | 88 | 505 |
| East Fork Lewis River | 42% | 100 | 479 |
| East Rapti River | 28% | 193 | 351 |
| East Walker River | 41% | 107 | 465 |
| Eau Claire River (Chippewa River tributary) | 32% | 159 | 386 |
| Ebbw River | 32% | 160 | 385 |
| Edward River | 29% | 180 | 363 |
| Eel River (White River tributary) | 48% | 79 | 530 |
| Eg River | 39% | 116 | 447 |
| Elaho River | 41% | 106 | 466 |
| Elde | 39% | 116 | 447 |
| Elk River (Minnesota) | 35% | 134 | 419 |
| Elliðaár | 41% | 104 | 471 |
| Elqui River | 41% | 106 | 466 |
| Elzbach | 39% | 116 | 447 |
| Emån | 48% | 78 | 533 |
| Emil River | 42% | 99 | 481 |
| Emme | 29% | 183 | 360 |
| Ene River | 26% | 215 | 334 |
| English River (Iowa) | 40% | 111 | 457 |
| Enipeas (Thessaly) | 40% | 110 | 459 |
| Entiat River | 41% | 103 | 473 |
| Enz | 26% | 212 | 336 |
| Enza | 46% | 86 | 510 |
| Erdre | 36% | 128 | 428 |
| Erenik | 44% | 91 | 500 |
| Eresma | 34% | 144 | 404 |
| Erft | 36% | 133 | 420 |
| Ergene | 34% | 145 | 403 |
| Erzen | 35% | 136 | 415 |
| Escanaba River | 30% | 172 | 371 |
| Eşen Brook | 45% | 88 | 505 |
| Esino | 43% | 98 | 483 |
| Esmeraldas River | 47% | 81 | 524 |
| Essonne | 41% | 103 | 473 |
| Ettrick Water | 42% | 102 | 475 |
| Evinos | 26% | 216 | 333 |
| Exploits River | 25% | 220 | 329 |
| Falémé River | 32% | 160 | 385 |
| Fall River (Henrys Fork tributary) | 49% | 75 | 541 |
| Farah River | 45% | 88 | 505 |
| Fawn River (Michigan) | 47% | 80 | 527 |
| Feni River | 27% | 206 | 340 |
| Fier | 46% | 86 | 510 |
| Firebag River | 38% | 119 | 442 |
| Firth River | 33% | 149 | 397 |
| Fish River (Maine) | 47% | 81 | 524 |
| Fish River (Oberon) | 42% | 102 | 475 |
| Fiumelatte | 40% | 108 | 462 |
| Fırtına Creek | 32% | 155 | 391 |
| Flat River (Michigan) | 31% | 167 | 376 |
| Florida River | 40% | 110 | 459 |
| Floyd River | 25% | 220 | 329 |
| Floyds Fork | 38% | 121 | 439 |
| Fluvià | 39% | 113 | 452 |
| Foglia | 47% | 81 | 524 |
| Fond du Lac River (Saskatchewan) | 41% | 106 | 466 |
| Forcados River | 34% | 141 | 408 |
| Fort Nelson River | 49% | 74 | 544 |
| Fortescue River | 28% | 195 | 349 |
| Fortore | 49% | 74 | 544 |
| Fortymile River | 28% | 194 | 350 |
| Fountain Creek (Arkansas River tributary) | 26% | 216 | 333 |
| Fourche La Fave River | 36% | 128 | 428 |
| Francolí River | 44% | 92 | 498 |
| Franconian Saale | 44% | 94 | 493 |
| Frederick House River | 50% | 73 | 547 |
| Fremont River | 31% | 167 | 376 |
| Frenchman River | 28% | 195 | 349 |
| Fresno River | 28% | 190 | 354 |
| Fu River (Sichuan) | 49% | 76 | 538 |
| Fuchun river | 49% | 75 | 541 |
| Fuerte River | 30% | 173 | 370 |
| Gail | 30% | 171 | 372 |
| Gállego | 36% | 130 | 425 |
| Gallegos River | 46% | 86 | 510 |
| Gallikos | 42% | 102 | 475 |
| Ganale Dorya River | 36% | 131 | 424 |
| Gaoping River | 36% | 133 | 420 |
| Gaula (Trøndelag) | 34% | 139 | 410 |
| Georgina River | 28% | 190 | 354 |
| Gera | 33% | 148 | 399 |
| Gers | 42% | 100 | 479 |
| Geul | 38% | 120 | 441 |
| Gibbon River | 26% | 218 | 331 |
| Gilbert River (Queensland) | 44% | 94 | 493 |
| Gin River | 35% | 137 | 414 |
| Gingee River | 36% | 132 | 422 |
| Glan (Gurk) | 48% | 77 | 536 |
| Glina | 44% | 92 | 498 |
| Gods River | 41% | 103 | 473 |
| Gökırmak River | 48% | 79 | 530 |
| Golo | 41% | 104 | 471 |
| Gönen River | 45% | 87 | 508 |
| Gongola River | 34% | 139 | 410 |
| Goodradigbee River | 45% | 88 | 505 |
| Goose Creek (Potomac River tributary) | 29% | 183 | 360 |
| Gorai-Madhumati River | 29% | 181 | 362 |
| Goulburn River (New South Wales) | 44% | 91 | 500 |
| Gourits River | 42% | 99 | 481 |
| Gran Valira | 25% | 221 | 329 |
| Grande River (Bolivia) | 30% | 174 | 369 |
| Grande River (Paraná River tributary) | 30% | 170 | 373 |
| Grass River (Manitoba) | 44% | 92 | 498 |
| Grasse River | 33% | 151 | 396 |
| Gravina di Matera | 45% | 89 | 503 |
| Grays River (Washington) | 46% | 86 | 510 |
| Great Chazy River | 48% | 77 | 536 |
| Great Darling Anabranch | 34% | 139 | 410 |
| Great Liakhvi River | 45% | 87 | 508 |
| Great Ruaha River | 29% | 184 | 358 |
| Green River (Deerfield River tributary) | 48% | 79 | 530 |
| Gregory River (Australia) | 25% | 222 | 328 |
| Grey River / Māwheranui (New Zealand) | 39% | 116 | 447 |
| Greybull River | 42% | 101 | 477 |
| Greys River | 27% | 201 | 343 |
| Gros Ventre River | 27% | 198 | 346 |
| Grose River | 41% | 106 | 466 |
| Guadalfeo | 44% | 91 | 500 |
| Guadiaro | 39% | 113 | 452 |
| Guaíba (water body) | 38% | 121 | 439 |
| Guáitara River | 46% | 84 | 515 |
| Guamá River | 44% | 93 | 496 |
| Gui River | 37% | 123 | 436 |
| Guil | 41% | 104 | 471 |
| Gull River (Balsam Lake) | 33% | 152 | 394 |
| Gunt River | 36% | 131 | 424 |
| Guy Fawkes River | 47% | 82 | 521 |
| Gwda | 48% | 79 | 530 |
| Haast River | 40% | 110 | 459 |
| Haine | 33% | 153 | 393 |
| Hakari River | 43% | 96 | 488 |
| Halda River | 38% | 117 | 445 |
| Hale River | 47% | 81 | 524 |
| Halil River | 44% | 94 | 493 |
| Hallingdalselva | 42% | 100 | 479 |
| Hamiz River | 47% | 82 | 521 |
| Hann River (Queensland) | 50% | 73 | 547 |
| Haraz River | 31% | 165 | 378 |
| Haro River | 26% | 215 | 334 |
| Harrison River | 33% | 152 | 394 |
| Hastings River | 31% | 164 | 379 |
| Hay River (Canada) | 26% | 217 | 332 |
| Heart River (North Dakota) | 32% | 155 | 391 |
| Heath River | 35% | 138 | 412 |
| Helena River | 30% | 171 | 372 |
| Helge å | 31% | 161 | 383 |
| Henares river | 42% | 101 | 477 |
| Henrys Fork (Green River tributary) | 46% | 86 | 510 |
| Hida River | 46% | 84 | 515 |
| Hii River | 34% | 143 | 406 |
| Hoanib | 34% | 139 | 410 |
| Hoback River | 35% | 135 | 417 |
| Hollyford River / Whakatipu Kā Tuka | 50% | 73 | 547 |
| Holmes Creek (Florida) | 48% | 77 | 536 |
| Homathko River | 27% | 207 | 339 |
| Homochitto River | 34% | 143 | 406 |
| Hondo River (Belize) | 29% | 186 | 357 |
| Hood River (Nunavut) | 37% | 123 | 436 |
| Hopkins River | 30% | 176 | 367 |
| Horyn | 38% | 122 | 438 |
| Howqua River | 40% | 110 | 459 |
| Huangshui River | 36% | 133 | 420 |
| Hub River | 27% | 203 | 342 |
| Huerfano River | 39% | 112 | 454 |
| Huerva River | 46% | 85 | 512 |
| Huisne | 29% | 181 | 362 |
| Humber River (Newfoundland and Labrador) | 38% | 117 | 445 |
| Hun River (Liao River tributary) | 29% | 182 | 361 |
| Hunte | 38% | 121 | 439 |
| Huon River | 31% | 162 | 382 |
| Huron River (Ohio) | 34% | 143 | 406 |
| Hurunui River | 50% | 73 | 547 |
| Hutuo River | 38% | 121 | 439 |
| Huveaune | 46% | 85 | 512 |
| Hvítá (Árnessýsla) | 31% | 166 | 377 |
| Ider River | 28% | 187 | 356 |
| Idice | 45% | 88 | 505 |
| Iditarod River | 44% | 93 | 496 |
| Idrijca | 47% | 81 | 524 |
| Iijoki | 43% | 97 | 485 |
| Ilek | 35% | 135 | 417 |
| Ill (Vorarlberg) | 37% | 123 | 436 |
| Illecillewaet River | 33% | 153 | 393 |
| Ilm (Saale) | 41% | 105 | 469 |
| Ilmenau | 44% | 93 | 496 |
| Imnaha River | 31% | 162 | 382 |
| Indalsälven | 32% | 157 | 388 |
| Indian Creek (Boise River tributary) | 42% | 100 | 479 |
| Indiga | 48% | 79 | 530 |
| Indragiri River | 33% | 148 | 399 |
| Indravati River (Nepal) | 33% | 146 | 401 |
| Indre River | 30% | 176 | 367 |
| Inhul River | 32% | 159 | 386 |
| Inírida River | 37% | 125 | 433 |
| Inkisi River | 48% | 78 | 533 |
| Innoko River | 27% | 205 | 340 |
| Instruch | 48% | 78 | 533 |
| Iori River | 39% | 112 | 454 |
| Ipoly | 30% | 169 | 374 |
| Irati River | 39% | 112 | 454 |
| Irgiz River (Turgay) | 47% | 81 | 524 |
| Iriri River | 27% | 204 | 341 |
| Iroquois River (Indiana-Illinois) | 29% | 179 | 364 |
| Irpin River | 41% | 103 | 473 |
| Isel | 29% | 181 | 362 |
| Iset | 28% | 192 | 352 |
| Ishmi | 28% | 197 | 348 |
| Iskut River | 42% | 100 | 479 |
| Isle | 43% | 96 | 488 |
| Itadori River | 48% | 79 | 530 |
| Itata River | 28% | 194 | 350 |
| Iton | 46% | 84 | 515 |
| Itz | 39% | 113 | 452 |
| Ivalo River | 44% | 91 | 500 |
| Ivindo River | 35% | 137 | 414 |
| Izhora | 41% | 106 | 466 |
| Jablanica | 40% | 108 | 462 |
| Jacksons Creek (Victoria) | 41% | 105 | 469 |
| Jacuí River | 42% | 99 | 481 |
| Jadar (Drina) | 44% | 94 | 493 |
| Jägala River | 29% | 179 | 364 |
| Jagst | 34% | 139 | 410 |
| Jalaur River | 32% | 154 | 392 |
| Jalón River | 41% | 106 | 466 |
| Jamapa River | 38% | 122 | 438 |
| Jarbidge River | 31% | 166 | 377 |
| Jardine River | 25% | 223 | 327 |
| Jari River | 40% | 111 | 457 |
| Javary River | 30% | 173 | 370 |
| Jegrička | 47% | 81 | 524 |
| Jeker | 33% | 146 | 401 |
| Jemez River | 38% | 120 | 441 |
| Jequitinhonha River | 38% | 122 | 438 |
| Jhanji river | 37% | 125 | 433 |
| Jihlava | 44% | 92 | 498 |
| Jijia River | 44% | 92 | 498 |
| Jing River | 35% | 136 | 415 |
| Jiulong Jiang | 29% | 185 | 357 |
| Jock River | 41% | 105 | 469 |
| John River (Alaska) | 45% | 88 | 505 |
| Johor River | 25% | 225 | 326 |
| Jökulsá á Dal | 33% | 153 | 393 |
| Jonk River | 39% | 113 | 452 |
| Jur River | 37% | 124 | 434 |
| Jūra | 45% | 87 | 508 |
| Juruena River | 42% | 102 | 475 |
| Kabompo River | 35% | 138 | 412 |
| Kaczawa | 49% | 75 | 541 |
| Kadalundi River | 28% | 195 | 349 |
| Kadeï | 45% | 90 | 502 |
| Kafu | 41% | 105 | 469 |
| Kahayan River | 35% | 138 | 412 |
| Kaidu River | 38% | 122 | 438 |
| Kaituna River | 34% | 141 | 408 |
| Kako River (Japan) | 50% | 73 | 547 |
| Kalambo River | 37% | 123 | 436 |
| Kalgan River | 39% | 112 | 454 |
| Kali Serayu | 45% | 89 | 503 |
| Kalix River | 28% | 192 | 352 |
| Kamchatka River | 33% | 149 | 397 |
| Kamnik Bistrica | 36% | 132 | 422 |
| Kamp | 42% | 100 | 479 |
| Kampar River | 31% | 163 | 380 |
| Kanab Creek | 32% | 160 | 385 |
| Kander (Switzerland) | 31% | 166 | 377 |
| Kantishna River | 49% | 76 | 538 |
| Kapuskasing River | 37% | 127 | 430 |
| Karaj River | 39% | 113 | 452 |
| Karamana River | 30% | 173 | 370 |
| Karaš | 41% | 104 | 471 |
| Karasjohka | 41% | 106 | 466 |
| Karatal River | 47% | 82 | 521 |
| Kashaf River | 45% | 87 | 508 |
| Kashgar River | 48% | 78 | 533 |
| Katherine River | 26% | 218 | 331 |
| Kaukonahua River | 44% | 94 | 493 |
| Kayan River | 37% | 123 | 436 |
| Kazanka | 32% | 157 | 388 |
| Kazennyi Torets | 32% | 156 | 389 |
| Kazym | 43% | 97 | 485 |
| Keele River | 40% | 110 | 459 |
| Kelantan River | 37% | 127 | 430 |
| Kelkit Brook | 27% | 200 | 344 |
| Kenogami River | 42% | 102 | 475 |
| Kerio River | 34% | 143 | 406 |
| Kerzhenets | 48% | 79 | 530 |
| Ket | 49% | 76 | 538 |
| Kettle River (British Columbia) | 26% | 208 | 338 |
| Kettle River (St. Croix River tributary) | 46% | 83 | 518 |
| Keya Paha River | 42% | 100 | 479 |
| Khari River | 36% | 132 | 422 |
| Kharkiv | 36% | 129 | 427 |
| Khatanga | 34% | 142 | 407 |
| Khopyor | 35% | 135 | 417 |
| Khovd River | 44% | 94 | 493 |
| Khrami River | 47% | 82 | 521 |
| Kiamichi River | 27% | 200 | 344 |
| Kikori River | 33% | 146 | 401 |
| Killbuck Creek | 40% | 109 | 460 |
| Kinchafoonee Creek | 47% | 82 | 521 |
| King River (Tasmania) | 32% | 157 | 388 |
| King River (Victoria) | 36% | 132 | 422 |
| Kinokawa River | 45% | 87 | 508 |
| Kinta River | 38% | 119 | 442 |
| Kinu-gawa River | 38% | 121 | 439 |
| Kinzig (Main) | 42% | 102 | 475 |
| Kir | 34% | 139 | 410 |
| Kitimat River | 48% | 77 | 536 |
| Klickitat River | 27% | 206 | 340 |
| Klinaklini River | 37% | 126 | 432 |
| Kocher | 28% | 188 | 355 |
| Kodori River | 41% | 105 | 469 |
| Kofarnihon River | 44% | 92 | 498 |
| Kokemäenjoki | 36% | 128 | 428 |
| Koksoak River | 25% | 221 | 329 |
| Kola | 49% | 76 | 538 |
| Kollaa | 37% | 123 | 436 |
| Komo River | 32% | 156 | 389 |
| Komoé River | 35% | 137 | 414 |
| Kongakut River | 48% | 78 | 533 |
| Kongeå | 31% | 161 | 383 |
| Konka River | 40% | 108 | 462 |
| Konkouré River | 45% | 89 | 503 |
| Köprüçay River | 26% | 218 | 331 |
| Kor River | 37% | 126 | 432 |
| Kotto River | 50% | 73 | 547 |
| Kouilou-Niari River | 28% | 192 | 352 |
| Koukdjuak River | 36% | 128 | 428 |
| Koyuk River | 39% | 114 | 450 |
| Kraai River | 48% | 77 | 536 |
| Kraburi River | 37% | 123 | 436 |
| Krivaja (Bosna) | 35% | 134 | 419 |
| Krivaja (Great Bačka Canal) | 49% | 74 | 544 |
| Krutynia | 44% | 94 | 493 |
| Kryvyi Torets | 47% | 80 | 527 |
| Kuma (Russia) | 29% | 186 | 357 |
| Kuma River (Japan) | 28% | 189 | 354 |
| Kumano River | 35% | 138 | 412 |
| Kumusi River | 44% | 91 | 500 |
| Kunduz River | 35% | 134 | 419 |
| Kureyka | 49% | 75 | 541 |
| Kurobe River | 44% | 91 | 500 |
| Kushk River | 46% | 83 | 518 |
| Kuzuryū River | 46% | 84 | 515 |
| Kwisa | 33% | 153 | 393 |
| Kyll | 41% | 103 | 473 |
| La Crosse River | 34% | 144 | 404 |
| La Plata River (San Juan River tributary) | 49% | 75 | 541 |
| La Salle River | 42% | 101 | 477 |
| Laba River | 44% | 93 | 496 |
| Laborec | 44% | 93 | 496 |
| Lackawaxen River | 26% | 213 | 335 |
| Lagan (Sweden) | 37% | 124 | 434 |
| LaHave River | 31% | 161 | 383 |
| Lainio River | 47% | 80 | 527 |
| Lake Fork Gunnison River | 46% | 85 | 512 |
| Lakhish River | 46% | 86 | 510 |
| Lakselva | 46% | 84 | 515 |
| Lam Sonthi | 26% | 208 | 338 |
| Lambro | 25% | 221 | 329 |
| Lamine River | 49% | 74 | 544 |
| Lampasas River | 34% | 141 | 408 |
| Lamprey River | 36% | 130 | 425 |
| Langat River | 36% | 130 | 425 |
| Lanyang River | 49% | 75 | 541 |
| Lašva | 44% | 93 | 496 |
| Latorica | 37% | 125 | 433 |
| Latrobe River | 35% | 134 | 419 |
| Lauca River | 41% | 107 | 465 |
| Laughery Creek | 39% | 112 | 454 |
| Lavaca River | 33% | 148 | 399 |
| Layon | 44% | 93 | 496 |
| Le Sueur River | 40% | 108 | 462 |
| Łeba | 45% | 87 | 508 |
| Leda | 47% | 80 | 527 |
| Lee Creek (Arkansas) | 44% | 94 | 493 |
| Leichhardt River | 31% | 165 | 378 |
| Lemhi River | 35% | 136 | 415 |
| Lennard River | 50% | 73 | 547 |
| Lenne | 38% | 119 | 442 |
| Lepenac | 31% | 167 | 376 |
| Lesse | 29% | 183 | 360 |
| Lesser Abay River | 33% | 151 | 396 |
| Lesser Slave River | 39% | 114 | 450 |
| Letaba River | 41% | 107 | 465 |
| Levubu River | 32% | 154 | 392 |
| Lielupe | 29% | 179 | 364 |
| Lika | 35% | 137 | 414 |
| Likhu Khola | 30% | 174 | 369 |
| Likouala aux Herbes | 31% | 168 | 375 |
| Lillooet River | 25% | 225 | 326 |
| Lilongwe River | 40% | 108 | 462 |
| Limay River | 26% | 212 | 336 |
| Linge | 33% | 149 | 397 |
| Lishui River | 35% | 137 | 414 |
| Little Abitibi River | 44% | 94 | 493 |
| Little Almatinka | 37% | 125 | 433 |
| Little Arkansas River | 28% | 193 | 351 |
| Little Blue River (Kansas/Nebraska) | 27% | 199 | 345 |
| Little Blue River (Missouri) | 39% | 116 | 447 |
| Little Brosna River | 48% | 79 | 530 |
| Little Danube | 34% | 141 | 408 |
| Little Deschutes River | 49% | 74 | 544 |
| Little Minnesota River | 34% | 141 | 408 |
| Little Muskingum River | 46% | 84 | 515 |
| Little Platte River | 44% | 93 | 496 |
| Little River (Louisiana) | 44% | 91 | 500 |
| Little River (Texas) | 26% | 214 | 334 |
| Little Salmon River | 40% | 110 | 459 |
| Little Sandy River (Kentucky) | 39% | 112 | 454 |
| Little Saskatchewan River | 48% | 78 | 533 |
| Little Sioux River | 32% | 155 | 391 |
| Little Snake River | 34% | 142 | 407 |
| Little Susitna River | 37% | 127 | 430 |
| Little Wabash River | 30% | 174 | 369 |
| Little Yenisey | 45% | 90 | 502 |
| Liu River | 40% | 111 | 457 |
| Liuyang River | 44% | 92 | 498 |
| Livenza | 42% | 102 | 475 |
| Liverpool River | 47% | 80 | 527 |
| Ljusnan | 42% | 101 | 477 |
| Llapi | 43% | 98 | 483 |
| Lluta River | 45% | 88 | 505 |
| Lô River | 43% | 97 | 485 |
| Locust Fork | 33% | 151 | 396 |
| Lodgepole Creek | 46% | 84 | 515 |
| Logan River (Utah-Idaho) | 39% | 113 | 452 |
| Loing | 28% | 195 | 349 |
| Lol River | 38% | 118 | 443 |
| Lom | 42% | 99 | 481 |
| Lomami River | 30% | 177 | 366 |
| Long Tom River | 30% | 176 | 367 |
| Looking Glass River | 36% | 133 | 420 |
| Loosahatchie River | 36% | 131 | 424 |
| Lopburi River | 44% | 94 | 493 |
| Loudias river | 41% | 106 | 466 |
| Loue | 29% | 182 | 361 |
| Louros | 46% | 84 | 515 |
| Loutre River (Missouri River) | 44% | 91 | 500 |
| Lovat | 36% | 129 | 427 |
| Loyalhanna Creek | 30% | 174 | 369 |
| Loyalsock Creek | 27% | 205 | 340 |
| Lozoya | 43% | 96 | 488 |
| Lozva | 43% | 98 | 483 |
| Luan River | 39% | 113 | 452 |
| Luckiamute River | 43% | 97 | 485 |
| Lufira River | 46% | 85 | 512 |
| Luga | 33% | 151 | 396 |
| Lugenda River | 47% | 82 | 521 |
| Luhan | 43% | 98 | 483 |
| Luján River | 36% | 130 | 425 |
| Lulonga River | 32% | 158 | 387 |
| Lulua | 41% | 105 | 469 |
| Lumbardhi Pejës | 35% | 137 | 414 |
| Luvua River | 31% | 162 | 382 |
| Luy | 41% | 105 | 469 |
| Lužnice | 38% | 122 | 438 |
| Łyna | 26% | 217 | 332 |
| Ma River | 35% | 137 | 414 |
| Macal River | 39% | 112 | 454 |
| Macdonald River (Bendemeer) | 45% | 89 | 503 |
| Macdonald River (St Albans) | 50% | 73 | 547 |
| Machias River | 44% | 94 | 493 |
| Macintyre River | 27% | 200 | 344 |
| Mackenzie River (Queensland) | 30% | 176 | 367 |
| Mackinaw River | 31% | 163 | 380 |
| Macumba River | 49% | 74 | 544 |
| Madidi River | 35% | 138 | 412 |
| Madon | 47% | 81 | 524 |
| Magalloway River | 27% | 201 | 343 |
| Magat River | 31% | 161 | 383 |
| Maggia | 42% | 99 | 481 |
| Magpie River (Ontario) | 46% | 84 | 515 |
| Mahanoy Creek | 47% | 80 | 527 |
| Mahé River | 38% | 118 | 443 |
| Maipo River | 28% | 195 | 349 |
| Maira | 39% | 114 | 450 |
| Mali River | 28% | 192 | 352 |
| Malvathu River | 34% | 141 | 408 |
| Mana River (Russia) | 44% | 93 | 496 |
| Manambolo River | 34% | 143 | 406 |
| Manas He | 41% | 107 | 465 |
| Mand River | 49% | 76 | 538 |
| Mangfall | 34% | 141 | 408 |
| Mangoky River | 29% | 182 | 361 |
| Manistique River | 30% | 169 | 374 |
| Manitowoc River | 42% | 100 | 479 |
| Mann River (New South Wales) | 47% | 82 | 521 |
| Mano River | 32% | 155 | 391 |
| Manú River | 46% | 86 | 510 |
| Manyame River | 41% | 105 | 469 |
| Maple River (Grand River tributary) | 46% | 86 | 510 |
| Maquoketa River | 26% | 218 | 331 |
| Maranoa River | 33% | 146 | 401 |
| Marcal | 38% | 117 | 445 |
| Marecchia | 35% | 138 | 412 |
| Margaree River | 27% | 205 | 340 |
| Margaret River (South West, Western Australia) | 29% | 179 | 364 |
| Mark (Dintel) | 45% | 88 | 505 |
| Markham River | 36% | 132 | 422 |
| Marmaton River | 44% | 94 | 493 |
| Martapura River | 48% | 78 | 533 |
| Martha Brae River | 32% | 160 | 385 |
| Mataura River | 34% | 141 | 408 |
| Mattagami River | 27% | 207 | 339 |
| Matukituki River | 44% | 91 | 500 |
| Maurice River | 26% | 212 | 336 |
| Maya (Aldan) | 45% | 89 | 503 |
| Mayenne | 28% | 188 | 355 |
| Mayo Kébi | 45% | 89 | 503 |
| Mayo River (Mexico) | 36% | 128 | 428 |
| Mazaruni River | 32% | 154 | 392 |
| Mazowe River | 36% | 128 | 428 |
| Mbhashe River | 38% | 120 | 441 |
| Mbomou River | 35% | 134 | 419 |
| McArthur River | 34% | 144 | 404 |
| Meadow River | 44% | 92 | 498 |
| Meander River (Tasmania) | 46% | 83 | 518 |
| Mearim River | 36% | 131 | 424 |
| Medellín River | 34% | 145 | 403 |
| Medicine Bow River | 41% | 105 | 469 |
| Meherrin River | 26% | 211 | 336 |
| Mehi River | 45% | 90 | 502 |
| Mej River | 39% | 113 | 452 |
| Mera (Lake Como) | 39% | 115 | 448 |
| Merkys | 49% | 76 | 538 |
| Mermentau River | 31% | 168 | 375 |
| Mersey River (Nova Scotia) | 34% | 145 | 403 |
| Mersey River (Tasmania) | 35% | 136 | 415 |
| Metauro | 33% | 151 | 396 |
| Mezen | 38% | 122 | 438 |
| Mhlatuze River | 42% | 100 | 479 |
| Miass | 33% | 148 | 399 |
| Michigamme River | 35% | 135 | 417 |
| Michigan River | 29% | 179 | 364 |
| Michipicoten River | 30% | 174 | 369 |
| Middle Fork American River | 30% | 169 | 374 |
| Middle Fork Feather River | 41% | 106 | 466 |
| Middle Fork Flathead River | 41% | 107 | 465 |
| Middle Fork Vermilion River | 43% | 97 | 485 |
| Middle Fork Willamette River | 30% | 171 | 372 |
| Middle Island Creek | 38% | 121 | 439 |
| Middle River (Iowa) | 45% | 89 | 503 |
| Mijares River | 46% | 83 | 518 |
| Milcov River (Siret) | 40% | 108 | 462 |
| Millers River | 30% | 169 | 374 |
| Minija | 46% | 83 | 518 |
| Mira River (Portugal) | 37% | 124 | 434 |
| Mirna (Adriatic Sea) | 32% | 155 | 391 |
| Mitchell River (Victoria) | 33% | 152 | 394 |
| Mitta Mitta River | 33% | 146 | 401 |
| Mius | 26% | 215 | 334 |
| Mlava | 35% | 137 | 414 |
| Mo Chhu | 28% | 193 | 351 |
| Moa River | 34% | 141 | 408 |
| Moctezuma River | 38% | 121 | 439 |
| Moder | 44% | 94 | 493 |
| Moei River | 25% | 225 | 326 |
| Mōhaka River | 42% | 100 | 479 |
| Möhne | 38% | 119 | 442 |
| Mokri Yaly | 38% | 122 | 438 |
| Moksha | 37% | 127 | 430 |
| Molalla River | 30% | 173 | 370 |
| Möll | 44% | 93 | 496 |
| Mølleåen | 47% | 81 | 524 |
| Molochna | 41% | 104 | 471 |
| Mologa | 49% | 74 | 544 |
| Mongala River | 36% | 133 | 420 |
| Monkey River | 39% | 112 | 454 |
| Mono River | 29% | 178 | 365 |
| Montreal River (Algoma–Sudbury, Ontario) | 26% | 211 | 336 |
| Montreal River (Timiskaming District) | 26% | 209 | 337 |
| Moose Jaw River | 30% | 175 | 368 |
| Moose River (Maine) | 34% | 140 | 409 |
| Mora Dhansiri River | 38% | 119 | 442 |
| Moreau River (South Dakota) | 38% | 117 | 445 |
| Mornos | 33% | 151 | 396 |
| Mörrumsån | 47% | 82 | 521 |
| Motala ström | 32% | 155 | 391 |
| Mōtū River | 47% | 82 | 521 |
| Mrežnica | 27% | 204 | 341 |
| Msta | 33% | 146 | 401 |
| Mu River (Irrawaddy) | 37% | 127 | 430 |
| Muda River | 45% | 87 | 508 |
| Mudan River | 31% | 166 | 377 |
| Muddy Boggy Creek | 37% | 123 | 436 |
| Muga | 32% | 155 | 391 |
| Mukhavets River | 40% | 111 | 457 |
| Mulberry Fork | 36% | 130 | 425 |
| Mulberry River (Arkansas) | 35% | 135 | 417 |
| Mulchatna River | 47% | 80 | 527 |
| Mundo | 30% | 176 | 367 |
| Murg (Northern Black Forest) | 28% | 192 | 352 |
| Murr | 49% | 76 | 538 |
| Murtle River | 47% | 82 | 521 |
| Mürz | 44% | 93 | 496 |
| Muscatatuck River | 33% | 150 | 397 |
| Muskwa River | 43% | 95 | 490 |
| Musquodoboit River | 49% | 76 | 538 |
| Mustinka River | 46% | 83 | 518 |
| Muzat River | 48% | 78 | 533 |
| Myakka River | 26% | 209 | 337 |
| Mže | 30% | 173 | 370 |
| Mzimvubu River | 30% | 172 | 371 |
| Mzymta | 45% | 87 | 508 |
| Naab | 29% | 179 | 364 |
| Nabão River | 48% | 78 | 533 |
| Nacimiento River | 33% | 146 | 401 |
| Nagold | 44% | 92 | 498 |
| Naknek River | 35% | 134 | 419 |
| Nalón | 41% | 103 | 473 |
| Nam Khan | 36% | 132 | 422 |
| Nam Ngum | 47% | 80 | 527 |
| Nam Ou | 29% | 185 | 357 |
| Nam River (South Korea) | 38% | 119 | 442 |
| Nambucca River | 49% | 76 | 538 |
| Namhan River | 37% | 126 | 432 |
| Namsen | 34% | 144 | 404 |
| Nanay River | 29% | 178 | 365 |
| Nandakini | 31% | 165 | 378 |
| Nanpan River | 40% | 110 | 459 |
| Nanxi Jiang (Zhejiang) | 42% | 100 | 479 |
| Nara (Oka) | 49% | 75 | 541 |
| Narraguagus River | 38% | 120 | 441 |
| Nashwaak River | 41% | 106 | 466 |
| Nata River | 45% | 87 | 508 |
| Nattai River | 47% | 80 | 527 |
| Navajo River | 44% | 93 | 496 |
| Navidad River | 37% | 125 | 433 |
| Navua River | 44% | 92 | 498 |
| Nazas River | 26% | 219 | 330 |
| Neajlov River | 45% | 89 | 503 |
| Neamț River (Moldova) | 37% | 124 | 434 |
| Neda | 26% | 213 | 335 |
| Neglinnaya | 34% | 143 | 406 |
| Nemadji River | 38% | 120 | 441 |
| Nemunėlis | 47% | 80 | 527 |
| Ner | 44% | 93 | 496 |
| Nera (Tiber) | 29% | 186 | 357 |
| Nera River (Danube) | 34% | 143 | 406 |
| Nestucca River | 34% | 144 | 404 |
| Neuquén River | 39% | 116 | 447 |
| Nevėžis | 35% | 138 | 412 |
| New River (Belize) | 38% | 121 | 439 |
| Newaj River | 33% | 146 | 401 |
| Ngaruroro River | 41% | 107 | 465 |
| Nhamundá River | 48% | 79 | 530 |
| Nicola River | 31% | 164 | 379 |
| Nida | 40% | 111 | 457 |
| Nidda | 38% | 121 | 439 |
| Niers | 38% | 119 | 442 |
| Nilüfer Brook | 28% | 191 | 353 |
| Ninnescah River | 29% | 184 | 358 |
| Nishiki River | 44% | 92 | 498 |
| Nissan | 28% | 192 | 352 |
| Nitra | 39% | 115 | 448 |
| Nive | 30% | 171 | 372 |
| Niyodo River | 36% | 128 | 428 |
| Noatak River | 28% | 192 | 352 |
| Nodaway River | 25% | 223 | 327 |
| Nogoa River | 40% | 109 | 460 |
| Noguera Pallaresa | 40% | 109 | 460 |
| Noire River (Ottawa River tributary) | 35% | 137 | 414 |
| Nokasippi River | 50% | 73 | 547 |
| Noosa River | 28% | 189 | 354 |
| Norman River | 36% | 128 | 428 |
| Normanby River | 46% | 84 | 515 |
| North Anna River | 29% | 183 | 360 |
| North Esk River | 36% | 132 | 422 |
| North Fork Clearwater River | 38% | 117 | 445 |
| North Fork Double Mountain Fork Brazos River | 28% | 188 | 355 |
| North Fork Flathead River | 37% | 127 | 430 |
| North Fork Kentucky River | 44% | 92 | 498 |
| North Fork Payette River | 38% | 119 | 442 |
| North Fork Red River | 34% | 143 | 406 |
| North Fork River (Missouri–Arkansas) | 27% | 198 | 346 |
| North Fork South Platte River | 26% | 215 | 334 |
| North Santiam River | 32% | 154 | 392 |
| North Umpqua River | 31% | 161 | 383 |
| North Yuba River | 43% | 97 | 485 |
| Northeast Cape Fear River | 32% | 155 | 391 |
| Nossob River | 33% | 153 | 393 |
| Nottoway River | 27% | 206 | 340 |
| Nowitna River | 26% | 214 | 334 |
| Noxubee River | 38% | 117 | 445 |
| Nugaal | 37% | 126 | 432 |
| Numedalslågen | 35% | 134 | 419 |
| Nura | 33% | 152 | 394 |
| Nushagak River | 26% | 209 | 337 |
| Nyang River | 31% | 168 | 375 |
| Nyanga River | 44% | 94 | 493 |
| Nymboida River | 46% | 86 | 510 |
| Nyong River | 41% | 106 | 466 |
| Nysa Szalona | 48% | 78 | 533 |
| Nzoia River | 29% | 180 | 363 |
| Oatka Creek | 29% | 181 | 362 |
| Obion River | 28% | 190 | 354 |
| Oconto River | 41% | 106 | 466 |
| Odense River | 46% | 83 | 518 |
| Oder (Harz) | 41% | 105 | 469 |
| Odiel | 27% | 198 | 346 |
| Oglio | 25% | 222 | 328 |
| Ogoki River | 26% | 210 | 337 |
| Ogosta | 46% | 84 | 515 |
| Ohio Brush Creek | 41% | 103 | 473 |
| Ohre | 48% | 79 | 530 |
| Oirase River | 29% | 181 | 362 |
| Oja | 30% | 175 | 368 |
| Oker | 26% | 218 | 331 |
| Okhota | 37% | 127 | 430 |
| Okhta | 44% | 92 | 498 |
| Ölfusá | 28% | 187 | 356 |
| Olifants River (Southern Cape) (Southern Cape) | 31% | 165 | 378 |
| Olona | 31% | 162 | 382 |
| Olyokma | 39% | 116 | 447 |
| Olza | 28% | 195 | 349 |
| Om | 30% | 176 | 367 |
| Ombrone | 38% | 117 | 445 |
| Omolon | 35% | 135 | 417 |
| One Hundred and Two River | 39% | 113 | 452 |
| Onega | 32% | 155 | 391 |
| Ong River | 41% | 107 | 465 |
| Ongi River | 30% | 171 | 372 |
| Onion Creek (Texas) | 29% | 186 | 357 |
| Opava | 38% | 120 | 441 |
| Or River | 49% | 75 | 541 |
| Orara River | 49% | 74 | 544 |
| Orava | 29% | 178 | 365 |
| Órbigo River | 37% | 123 | 436 |
| Orcia | 49% | 75 | 541 |
| Orco | 44% | 92 | 498 |
| Ōreti River | 36% | 130 | 425 |
| Oria | 45% | 88 | 505 |
| Orkla | 49% | 74 | 544 |
| Orlice | 44% | 91 | 500 |
| Orljava | 46% | 84 | 515 |
| Ortoire River | 48% | 77 | 536 |
| Osam | 31% | 162 | 382 |
| Oste | 47% | 81 | 524 |
| Ostravice | 39% | 113 | 452 |
| Osum | 27% | 206 | 340 |
| Ōta River | 27% | 200 | 344 |
| Otava | 33% | 152 | 394 |
| Oti River | 32% | 157 | 388 |
| Otra | 32% | 160 | 385 |
| Otta | 37% | 126 | 432 |
| Ottawa River (Auglaize River tributary) | 49% | 74 | 544 |
| Otún River | 45% | 88 | 505 |
| Ötztaler Ache | 41% | 103 | 473 |
| Ou River (Zhejiang) | 32% | 159 | 386 |
| Ouche | 42% | 102 | 475 |
| Oude IJssel | 34% | 139 | 410 |
| Oued Zouzfana | 40% | 109 | 460 |
| Ouémé River | 28% | 188 | 355 |
| Oulujoki | 31% | 163 | 380 |
| Ounasjoki | 41% | 104 | 471 |
| Ourcq | 30% | 172 | 371 |
| Oust | 47% | 81 | 524 |
| Ouvèze | 43% | 97 | 485 |
| Ōyodo River | 48% | 78 | 533 |
| Oyster Creek (Texas) | 39% | 113 | 452 |
| Pa Sak River | 26% | 208 | 338 |
| Paatsjoki | 30% | 174 | 369 |
| Pachitea River | 28% | 192 | 352 |
| Pack River | 30% | 173 | 370 |
| Pacolet River | 34% | 145 | 403 |
| Pacuare River | 26% | 216 | 333 |
| Pahsimeroi River | 43% | 95 | 490 |
| Pai River | 50% | 73 | 547 |
| Paint Creek (Scioto River tributary) | 39% | 114 | 450 |
| Paint Rock River | 41% | 104 | 471 |
| Paiva River | 29% | 184 | 358 |
| Panaro | 46% | 86 | 510 |
| Panay River | 43% | 96 | 488 |
| Panjkora River | 26% | 208 | 338 |
| Panjshir River | 30% | 170 | 373 |
| Panke | 28% | 195 | 349 |
| Par River (Gujarat) | 50% | 73 | 547 |
| Paraguaçu River | 43% | 96 | 488 |
| Paraibuna River (São Paulo) | 33% | 148 | 399 |
| Paranapanema River | 43% | 96 | 488 |
| Parban River | 38% | 121 | 439 |
| Parbati River (Rajasthan) | 40% | 109 | 460 |
| Pare Chu River | 42% | 101 | 477 |
| Parlung Tsangpo | 29% | 183 | 360 |
| Parma (river) | 25% | 222 | 328 |
| Parnaíba River | 29% | 180 | 363 |
| Pärnu River | 33% | 147 | 400 |
| Parsęta | 46% | 84 | 515 |
| Parsnip River | 39% | 113 | 452 |
| Parthe | 46% | 86 | 510 |
| Pascua River | 43% | 97 | 485 |
| Pasión River | 41% | 104 | 471 |
| Pasłęka | 49% | 76 | 538 |
| Passer | 49% | 75 | 541 |
| Pastaza River | 28% | 196 | 349 |
| Pasur River | 48% | 78 | 533 |
| Patía River | 44% | 92 | 498 |
| Patoka River | 29% | 184 | 358 |
| Patuca River | 37% | 125 | 433 |
| Paw Paw River | 30% | 171 | 372 |
| Pčinja | 33% | 153 | 393 |
| Pea River | 33% | 153 | 393 |
| Pease River | 32% | 160 | 385 |
| Pech River | 28% | 193 | 351 |
| Peel River (New South Wales) | 35% | 134 | 419 |
| Pegtymel River | 50% | 73 | 547 |
| Pek | 37% | 123 | 436 |
| Pellice | 48% | 79 | 530 |
| Pelly River | 28% | 196 | 349 |
| Pelotas River | 45% | 87 | 508 |
| Pembina River (Manitoba – North Dakota) | 32% | 155 | 391 |
| Pentecost River | 36% | 132 | 422 |
| Penzhina | 49% | 75 | 541 |
| Perak River | 25% | 220 | 329 |
| Peshtigo River | 30% | 169 | 374 |
| Petawawa River | 30% | 176 | 367 |
| Petit Jean River | 48% | 78 | 533 |
| Piako River | 42% | 101 | 477 |
| Pibor River | 47% | 81 | 524 |
| Pic River | 36% | 128 | 428 |
| Piedra river (Spain) | 39% | 113 | 452 |
| Pieman River | 29% | 182 | 361 |
| Pilchuck River | 41% | 105 | 469 |
| Pilica | 29% | 184 | 358 |
| Pine River (British Columbia) | 44% | 91 | 500 |
| Pine River (Manistee River tributary) | 25% | 221 | 329 |
| Pineios (Peloponnese) | 37% | 127 | 430 |
| Pinturas River | 49% | 75 | 541 |
| Piranhas River | 48% | 77 | 536 |
| Pirita River | 42% | 102 | 475 |
| Piru Creek | 25% | 223 | 327 |
| Pisa | 42% | 99 | 481 |
| Piscataquis River | 32% | 159 | 386 |
| Pisuerga River | 28% | 190 | 354 |
| Pite River | 33% | 151 | 396 |
| Piusa River | 49% | 76 | 538 |
| Platani | 36% | 132 | 422 |
| Plava Voda | 27% | 199 | 345 |
| Pleiße | 30% | 170 | 373 |
| Poltva River | 33% | 148 | 399 |
| Pomme de Terre River (Minnesota) | 39% | 116 | 447 |
| Pomme de Terre River (Missouri) | 35% | 136 | 415 |
| Ponoy | 46% | 85 | 512 |
| Poplar River (Montana–Saskatchewan) | 39% | 114 | 450 |
| Poprad | 34% | 142 | 407 |
| Poronay | 45% | 89 | 503 |
| Porsuk River | 30% | 176 | 367 |
| Portage River (Ohio) | 32% | 158 | 387 |
| Portuguesa River | 48% | 78 | 533 |
| Porvoonjoki | 41% | 105 | 469 |
| Poteau River | 27% | 198 | 346 |
| Potengi River | 37% | 125 | 433 |
| Powder River (Oregon) | 34% | 143 | 406 |
| Powell River (British Columbia) | 35% | 137 | 414 |
| Powell River (Tennessee River tributary) | 29% | 178 | 365 |
| Prahova River | 36% | 129 | 427 |
| Prairie River (Mississippi River tributary) | 50% | 73 | 547 |
| Presque Isle River | 39% | 113 | 452 |
| Primero River | 40% | 108 | 462 |
| Progo River | 47% | 82 | 521 |
| Prophet River | 48% | 77 | 536 |
| Prosna | 46% | 83 | 518 |
| Protva | 40% | 108 | 462 |
| Przemsza | 41% | 105 | 469 |
| Psel | 30% | 177 | 366 |
| Pudding River | 34% | 140 | 409 |
| Pukaskwa River | 27% | 206 | 340 |
| Pulau River | 38% | 118 | 443 |
| Punarbhaba River | 36% | 132 | 422 |
| Pungwe River | 29% | 183 | 360 |
| Pur (Russia) | 46% | 83 | 518 |
| Purari River | 31% | 162 | 382 |
| Purna (Gujarat) | 33% | 148 | 399 |
| Pyasina | 47% | 82 | 521 |
| Qashqadaryo River | 47% | 82 | 521 |
| Qezel Uzan | 48% | 78 | 533 |
| Qianjiang River | 42% | 101 | 477 |
| Qiemo River | 44% | 94 | 493 |
| Queanbeyan River | 32% | 159 | 386 |
| Queets River | 29% | 186 | 357 |
| Queich | 45% | 89 | 503 |
| Quesnel River | 40% | 111 | 457 |
| Quinault River | 27% | 202 | 343 |
| Quinn River | 31% | 164 | 379 |
| Raba (Vistula) | 45% | 88 | 505 |
| Radbuza | 47% | 80 | 527 |
| Radunia | 47% | 81 | 524 |
| Raft River | 31% | 161 | 383 |
| Rahad River | 46% | 84 | 515 |
| Ram River | 49% | 75 | 541 |
| Rama (Neretva) | 35% | 134 | 419 |
| Rambiara River | 42% | 102 | 475 |
| Ramu | 27% | 198 | 346 |
| Ranchería River | 47% | 81 | 524 |
| Range Creek | 40% | 109 | 460 |
| Rangitaiki River | 27% | 199 | 345 |
| Rapa River | 50% | 73 | 547 |
| Raša | 28% | 192 | 352 |
| Raška | 41% | 107 | 465 |
| Rat River (Red River of the North tributary) | 41% | 106 | 466 |
| Răut | 37% | 127 | 430 |
| Raystown Branch Juniata River | 32% | 159 | 386 |
| Razdolnaya | 43% | 95 | 490 |
| Recknitz | 41% | 106 | 466 |
| Red Cedar River (Wisconsin) | 36% | 132 | 422 |
| Red Creek (Mississippi) | 33% | 146 | 401 |
| Red Deer River (Manitoba) | 48% | 77 | 536 |
| Red Main | 33% | 153 | 393 |
| Red River (Cumberland River tributary) | 27% | 198 | 346 |
| Red River (Kentucky River tributary) | 30% | 174 | 369 |
| Red Volta | 26% | 209 | 337 |
| Redwood Creek (Humboldt County) | 31% | 168 | 375 |
| Redwood River | 36% | 128 | 428 |
| Regen | 26% | 217 | 332 |
| Rems | 46% | 86 | 510 |
| Rench | 44% | 93 | 496 |
| Reventazón River | 47% | 80 | 527 |
| Rewa River (Fiji) | 25% | 220 | 329 |
| Rezovska | 35% | 137 | 414 |
| Rhin | 25% | 222 | 328 |
| Rhummel River | 30% | 174 | 369 |
| Ribeira de Iguape River | 45% | 87 | 508 |
| Rienz | 38% | 118 | 443 |
| Río Camuy | 32% | 159 | 386 |
| Rio Cobre | 27% | 199 | 345 |
| Río Cuareim | 43% | 98 | 483 |
| Rio das Mortes | 48% | 78 | 533 |
| Río Grande de Matagalpa | 49% | 74 | 544 |
| Río Grande de Tierra del Fuego (Tierra del Fuego) | 43% | 95 | 490 |
| Rio Mendoza | 45% | 89 | 503 |
| Río San Juan de la Posesión (Chile) | 48% | 78 | 533 |
| Risle | 38% | 117 | 445 |
| Riss | 47% | 82 | 521 |
| River Annalee | 41% | 104 | 471 |
| River Awbeg | 47% | 82 | 521 |
| River Awe | 48% | 79 | 530 |
| River Beauly | 33% | 149 | 397 |
| River Blackwater, Cavan and Meath | 47% | 81 | 524 |
| River Bride | 37% | 127 | 430 |
| River Brosna | 26% | 214 | 334 |
| River Bush | 39% | 114 | 450 |
| River Carron (Forth) | 28% | 197 | 348 |
| River Cary | 43% | 97 | 485 |
| River Clare | 34% | 141 | 408 |
| River Coe | 42% | 102 | 475 |
| River Dargle | 30% | 172 | 371 |
| River Dee (Galloway) | 27% | 200 | 344 |
| River Devon (Clackmannanshire) | 33% | 153 | 393 |
| River Earn | 30% | 174 | 369 |
| River Feale | 33% | 151 | 396 |
| River Fergus | 30% | 173 | 370 |
| River Funshion | 49% | 76 | 538 |
| River Glyde | 47% | 82 | 521 |
| River Helmsdale | 50% | 73 | 547 |
| River Inny (Leinster) | 35% | 134 | 419 |
| River Irthing | 46% | 83 | 518 |
| River Isla (Perthshire) | 32% | 155 | 391 |
| River Leadon | 37% | 127 | 430 |
| River Lochy | 36% | 133 | 420 |
| River Lossie | 35% | 137 | 414 |
| River Nairn | 41% | 107 | 465 |
| River Nevis | 29% | 182 | 361 |
| River Rede | 41% | 104 | 471 |
| River Rheidol | 31% | 167 | 376 |
| River South Esk | 33% | 153 | 393 |
| River Tâf | 31% | 166 | 377 |
| River Tavy | 28% | 193 | 351 |
| River Teise | 25% | 225 | 326 |
| River Thurso | 37% | 124 | 434 |
| River Tummel | 26% | 213 | 335 |
| River Wissey | 25% | 222 | 328 |
| River Ythan | 27% | 202 | 343 |
| Rivière aux Feuilles (Quebec) | 27% | 204 | 341 |
| Rivière Batiscan | 41% | 105 | 469 |
| Rivière Bonaventure | 38% | 117 | 445 |
| Rivière Broadback | 43% | 96 | 488 |
| Rivière Cascapédia | 33% | 150 | 397 |
| Rivière Châteauguay | 33% | 152 | 394 |
| Rivière de la Petite Nation | 46% | 85 | 512 |
| Rivière du Lièvre | 45% | 89 | 503 |
| Rivière du Loup (Bas-Saint-Laurent) | 45% | 87 | 508 |
| Rivière du Nord (Laurentides) | 36% | 131 | 424 |
| Rivière Eastmain | 30% | 170 | 373 |
| Rivière L'Assomption | 40% | 111 | 457 |
| Rivière Malbaie | 45% | 88 | 505 |
| Rivière Mistassini | 32% | 156 | 389 |
| Rivière Montmorency | 27% | 204 | 341 |
| Rivière Nottaway | 43% | 98 | 483 |
| Rivière Rouge (Laurentides) | 33% | 147 | 400 |
| Rivière Sainte-Anne (Les Chenaux) | 35% | 136 | 415 |
| Rivière Sainte-Marguerite (Sept-Îles) | 45% | 87 | 508 |
| Rivière Tomifobia | 42% | 99 | 481 |
| Rivière Yamaska | 30% | 176 | 367 |
| Rječina | 30% | 169 | 374 |
| Robe River (Australia) | 47% | 81 | 524 |
| Rock River (Big Sioux River tributary) | 50% | 73 | 547 |
| Rockcastle River | 38% | 122 | 438 |
| Rokel River | 28% | 193 | 351 |
| Romaine River | 36% | 131 | 424 |
| Romanche | 48% | 79 | 530 |
| Ros River | 32% | 156 | 389 |
| Roseau River (Manitoba–Minnesota) | 34% | 140 | 409 |
| Rosebud Creek (Montana) | 41% | 105 | 469 |
| Rosica | 48% | 78 | 533 |
| Rospuda | 39% | 116 | 447 |
| Roya | 29% | 184 | 358 |
| Ruak River | 32% | 160 | 385 |
| Ruamāhanga River | 49% | 76 | 538 |
| Ruby River | 29% | 183 | 360 |
| Ruhuhu River | 39% | 116 | 447 |
| Ruki | 33% | 149 | 397 |
| Runde River | 43% | 98 | 483 |
| Runde River | 33% | 149 | 397 |
| Ruo Shui | 31% | 161 | 383 |
| Rupel | 36% | 131 | 424 |
| Rurubu River | 41% | 103 | 473 |
| Rusenski Lom | 47% | 81 | 524 |
| Rush River (Wisconsin) | 47% | 81 | 524 |
| Ruvu River | 42% | 99 | 481 |
| Ryesong River | 41% | 103 | 473 |
| Rzav (Drina) | 32% | 157 | 388 |
| Saalach | 34% | 139 | 410 |
| Sabinal River | 43% | 97 | 485 |
| Sac River | 27% | 204 | 341 |
| Sagavanirktok River | 27% | 202 | 343 |
| Saint Francis River (Canada–United States) | 40% | 110 | 459 |
| Saint John River (Liberia) | 41% | 104 | 471 |
| Saint Paul River (Liberia) | 33% | 152 | 394 |
| Sakae Krang River | 45% | 87 | 508 |
| Saksahan | 43% | 95 | 490 |
| Salaca | 33% | 149 | 397 |
| Salado River (Buenos Aires) | 28% | 188 | 355 |
| Salamonie River | 36% | 130 | 425 |
| Salcha River | 48% | 77 | 536 |
| Salhyr | 40% | 110 | 459 |
| Saline River (Ouachita River tributary) | 29% | 182 | 361 |
| Salmon Falls Creek | 31% | 168 | 375 |
| Salmon River (Nova Scotia) | 28% | 194 | 350 |
| Salmon River (Ontario) | 38% | 118 | 443 |
| Saloum River | 40% | 111 | 457 |
| Salt Fork Arkansas River | 32% | 159 | 386 |
| Salt Fork Brazos River | 26% | 210 | 337 |
| Salt Fork Vermilion River | 43% | 98 | 483 |
| Salt River (Missouri) | 32% | 160 | 385 |
| Salza (Enns) | 35% | 134 | 419 |
| Samara River (Dnieper) | 25% | 221 | 329 |
| Sambirano River | 45% | 87 | 508 |
| Samur | 35% | 135 | 417 |
| San Benito River | 33% | 152 | 394 |
| San Francisco River (Gila River tributary) | 33% | 146 | 401 |
| San Juan River (Argentina) | 48% | 77 | 536 |
| San Juan River (Colombia) | 30% | 175 | 368 |
| San Miguel River (Colorado) | 28% | 197 | 348 |
| San Rafael River | 39% | 116 | 447 |
| Sand River (Free State) | 39% | 116 | 447 |
| Sand River (Limpopo) | 43% | 96 | 488 |
| Sandy River (Kennebec River tributary) | 36% | 133 | 420 |
| Sanggan He | 45% | 89 | 503 |
| Sangkae River | 39% | 112 | 454 |
| Sangu River | 29% | 178 | 365 |
| Sankarani River | 35% | 134 | 419 |
| Sankuru River | 30% | 174 | 369 |
| Sanpoil River | 40% | 111 | 457 |
| Santa River | 28% | 191 | 353 |
| Santerno | 41% | 107 | 465 |
| Saramacca River | 41% | 103 | 473 |
| Sarantaporos (Epirus) | 40% | 108 | 462 |
| Sarapiquí River | 48% | 78 | 533 |
| Sarstoon River | 27% | 198 | 346 |
| Saru River | 36% | 131 | 424 |
| Sarysu | 40% | 111 | 457 |
| Sassandra River | 41% | 104 | 471 |
| Sauk River (Minnesota) | 27% | 206 | 340 |
| Savio | 34% | 142 | 407 |
| Sayur Brook | 30% | 177 | 366 |
| Scarpe | 32% | 156 | 389 |
| Schie | 33% | 146 | 401 |
| Schroon River | 33% | 151 | 396 |
| Schwarza (Leitha) | 42% | 102 | 475 |
| Schwechat | 49% | 74 | 544 |
| Schwentine | 35% | 138 | 412 |
| Scorff | 50% | 73 | 547 |
| Scott River | 28% | 197 | 348 |
| Scrivia | 50% | 73 | 547 |
| Seal River (Manitoba) | 30% | 170 | 373 |
| Sebasticook River | 42% | 100 | 479 |
| Secchia | 41% | 104 | 471 |
| Seille (Moselle) | 35% | 137 | 414 |
| Seine River (Manitoba) | 28% | 194 | 350 |
| Seine River (Ontario) | 44% | 92 | 498 |
| Sella (Bay of Biscay) | 39% | 112 | 454 |
| Sélune | 44% | 94 | 493 |
| Selwyn River / Waikirikiri | 44% | 91 | 500 |
| Seman | 33% | 146 | 401 |
| Senio | 42% | 101 | 477 |
| Seomjin River | 37% | 123 | 436 |
| Sequatchie River | 33% | 148 | 399 |
| Serein | 30% | 171 | 372 |
| Seret | 31% | 166 | 377 |
| Serio | 26% | 216 | 333 |
| Serpentine River (Western Australia) | 43% | 95 | 490 |
| Sesia | 28% | 195 | 349 |
| Sestra (Leningrad Oblast) | 40% | 109 | 460 |
| Šešupė | 29% | 180 | 363 |
| Severn River (Hudson Bay) | 30% | 173 | 370 |
| Severn River (New South Wales) | 35% | 135 | 417 |
| Severn River (Queensland) | 43% | 97 | 485 |
| Sèvre Nantaise | 34% | 145 | 403 |
| Sèvre Niortaise | 39% | 112 | 454 |
| Sewa River | 50% | 73 | 547 |
| Seybouse River | 47% | 80 | 527 |
| Seym | 25% | 223 | 327 |
| Shark River (Florida) | 34% | 145 | 403 |
| Shasta River | 30% | 169 | 374 |
| Shavers Fork | 31% | 167 | 376 |
| Shawangunk Kill | 42% | 99 | 481 |
| Sheboygan River | 25% | 224 | 326 |
| Sheenjek River | 47% | 80 | 527 |
| Sheepscot River | 25% | 225 | 326 |
| Sheksna | 41% | 104 | 471 |
| Shell Rock River | 36% | 128 | 428 |
| Shennong Stream | 50% | 73 | 547 |
| Shetrunji River | 31% | 164 | 379 |
| Shields River | 44% | 92 | 498 |
| Shigar River | 28% | 194 | 350 |
| Shingo River | 31% | 164 | 379 |
| Shule River | 45% | 90 | 502 |
| Shushicë | 50% | 73 | 547 |
| Shuswap River | 26% | 214 | 334 |
| Shweli River | 35% | 137 | 414 |
| Siak River | 35% | 134 | 419 |
| Sieg | 29% | 178 | 365 |
| Sienne | 39% | 112 | 454 |
| Silis | 27% | 204 | 341 |
| Sill | 44% | 93 | 496 |
| Sillaro | 38% | 117 | 445 |
| Silvies River | 40% | 108 | 462 |
| Simav Brook | 38% | 118 | 443 |
| Simeto | 32% | 158 | 387 |
| Simineh River | 49% | 75 | 541 |
| Simme | 42% | 100 | 479 |
| Sinaloa River | 38% | 119 | 442 |
| Sinni | 46% | 83 | 518 |
| Sinú River | 29% | 186 | 357 |
| Sipsey Fork | 34% | 145 | 403 |
| Sipsey River | 40% | 109 | 460 |
| Sitnica (Ibar) | 26% | 219 | 330 |
| Siva | 47% | 81 | 524 |
| Sixteen Mile Creek (Montana) | 43% | 95 | 490 |
| Sjoa | 36% | 129 | 427 |
| Skaftá | 43% | 95 | 490 |
| Skawa | 39% | 115 | 448 |
| Skellefte River | 46% | 84 | 515 |
| Skjálfandafljót | 31% | 163 | 380 |
| Skjern River | 36% | 130 | 425 |
| Skookumchuck River | 29% | 178 | 365 |
| Ślęza | 36% | 131 | 424 |
| Sluch River (Ukraine) | 40% | 108 | 462 |
| Smith River (Montana) | 34% | 142 | 407 |
| Smith River (Umpqua River tributary) | 35% | 135 | 417 |
| Snake River (St. Croix River tributary) | 35% | 138 | 412 |
| Sob | 43% | 95 | 490 |
| Sokoto River | 28% | 194 | 350 |
| Soła | 29% | 184 | 358 |
| Solomon River | 34% | 140 | 409 |
| Someșul Cald | 48% | 79 | 530 |
| Someșul Mare River | 40% | 110 | 459 |
| Someșul Mic | 26% | 215 | 334 |
| Songwe River | 49% | 74 | 544 |
| Sonoita Creek | 39% | 114 | 450 |
| Sonora River | 27% | 201 | 343 |
| Sorraia River | 47% | 82 | 521 |
| Souhegan River | 34% | 143 | 406 |
| South Anna River | 27% | 205 | 340 |
| South Branch Kishwaukee River | 49% | 75 | 541 |
| South Creek (New South Wales) | 34% | 142 | 407 |
| South Esk River | 26% | 218 | 331 |
| South Fork Catawba River | 43% | 98 | 483 |
| South Fork Eel River | 29% | 179 | 364 |
| South Fork Flathead River | 42% | 99 | 481 |
| South Fork Kern River | 34% | 144 | 404 |
| South Fork Salmon River | 49% | 75 | 541 |
| South Fork Trinity River | 44% | 92 | 498 |
| South Nation River | 31% | 161 | 383 |
| South River (Ocmulgee River tributary) | 35% | 135 | 417 |
| South Santiam River | 41% | 104 | 471 |
| South Umpqua River | 40% | 110 | 459 |
| South Yadkin River | 44% | 94 | 493 |
| South Yuba River | 29% | 181 | 362 |
| Southern Ewaso Ng'iro | 39% | 116 | 447 |
| Soyang River | 39% | 112 | 454 |
| Sozh | 29% | 179 | 364 |
| Spaarne | 37% | 123 | 436 |
| Speyerbach | 48% | 79 | 530 |
| Srepok River | 41% | 107 | 465 |
| St. George River (Maine) | 38% | 118 | 443 |
| St. Marks River | 29% | 186 | 357 |
| St. Mary River (Alberta–Montana) | 29% | 182 | 361 |
| St. Regis River | 32% | 155 | 391 |
| Staffora | 42% | 101 | 477 |
| Stanley River (Queensland) | 45% | 87 | 508 |
| Stave River | 39% | 112 | 454 |
| Steinhatchee River | 38% | 117 | 445 |
| Stewart River (Yukon) | 34% | 140 | 409 |
| Steyr | 46% | 85 | 512 |
| Stillwater River (Stillwater County, Montana) | 28% | 191 | 353 |
| Stony Creek (Sacramento River tributary) | 40% | 108 | 462 |
| Stony River (Alaska) | 32% | 159 | 386 |
| Stonycreek River | 40% | 108 | 462 |
| Stör | 46% | 85 | 512 |
| Straight River (southern Minnesota) | 34% | 145 | 403 |
| Strawberry River (Arkansas) | 48% | 79 | 530 |
| Strei | 43% | 98 | 483 |
| Strėva River | 46% | 84 | 515 |
| Strickland River | 34% | 143 | 406 |
| Strumica | 42% | 102 | 475 |
| Stryama | 44% | 91 | 500 |
| Stryi River | 42% | 99 | 481 |
| Strypa | 48% | 78 | 533 |
| Strzelecki Creek | 41% | 103 | 473 |
| Sturgeon River (Houghton County, Michigan) | 37% | 123 | 436 |
| Sturgeon River (Lake Nipissing) | 34% | 140 | 409 |
| Sturgeon-weir River | 48% | 77 | 536 |
| Styr River | 31% | 166 | 377 |
| Styx River (Tasmania) | 30% | 172 | 371 |
| Suárez River | 45% | 87 | 508 |
| Succor Creek | 50% | 73 | 547 |
| Suceava River | 39% | 113 | 452 |
| Suchiate River | 34% | 144 | 404 |
| Sude | 49% | 76 | 538 |
| Sugar River (Pecatonica River tributary) | 31% | 166 | 377 |
| Suiattle River | 31% | 163 | 380 |
| Sukhona | 31% | 167 | 376 |
| Sula River (Dnieper) | 40% | 109 | 460 |
| Sumbar River | 40% | 108 | 462 |
| Sumpul River | 49% | 75 | 541 |
| Sun River | 29% | 186 | 357 |
| Sunar River | 27% | 204 | 341 |
| Sundays River | 25% | 222 | 328 |
| Sungai Padas | 48% | 78 | 533 |
| Sunzha | 31% | 161 | 383 |
| Sura | 32% | 160 | 385 |
| Surxondaryo | 44% | 91 | 500 |
| Suså River | 46% | 83 | 518 |
| Susan River (California) | 31% | 162 | 382 |
| Sutla | 36% | 131 | 424 |
| Svartån (Vastmanland) | 37% | 123 | 436 |
| Šventoji (Neris) | 33% | 148 | 399 |
| Svitava | 37% | 125 | 433 |
| Svratka | 26% | 216 | 333 |
| Swan River (Montana) | 30% | 177 | 366 |
| Synyukha | 39% | 112 | 454 |
| Sysola | 47% | 81 | 524 |
| Taieri River | 27% | 201 | 343 |
| Talkeetna River | 47% | 80 | 527 |
| Talkheh River | 49% | 75 | 541 |
| Taltson River | 40% | 108 | 462 |
| Tambo River (Peru) | 25% | 224 | 326 |
| Tambo River (Victoria) | 46% | 84 | 515 |
| Tambopata River | 30% | 175 | 368 |
| Tambre River | 43% | 97 | 485 |
| Tâmega River | 30% | 175 | 368 |
| Tamnava | 47% | 82 | 521 |
| Tangipahoa River | 33% | 148 | 399 |
| Tanjaro | 43% | 95 | 490 |
| Tapi River (Thailand) | 34% | 141 | 408 |
| Taramakau River | 45% | 88 | 505 |
| Tarawera River | 45% | 87 | 508 |
| Tärendö River | 49% | 76 | 538 |
| Tarnak River | 38% | 117 | 445 |
| Târnava Mare River | 36% | 129 | 427 |
| Târnava River | 47% | 80 | 527 |
| Taro | 33% | 151 | 396 |
| Tartar | 40% | 109 | 460 |
| Tawang Chu | 30% | 170 | 373 |
| Taylor River (Colorado) | 34% | 140 | 409 |
| Taymyra | 43% | 97 | 485 |
| Taz | 35% | 134 | 419 |
| Te Awa Kairangi / Hutt River (New Zealand) | 32% | 158 | 387 |
| Tech | 43% | 95 | 490 |
| Teedriinjik River | 39% | 115 | 448 |
| Tefé River | 41% | 104 | 471 |
| Tel River | 26% | 217 | 332 |
| Teleajen | 47% | 82 | 521 |
| Teles Pires River | 34% | 141 | 408 |
| Tembeling River | 41% | 103 | 473 |
| Temo | 27% | 199 | 345 |
| Tempisque River | 42% | 101 | 477 |
| Tenryū River | 26% | 219 | 330 |
| Tensas Bayou and Tensas River | 28% | 187 | 356 |
| Tensaw River | 31% | 168 | 375 |
| Tensift River | 32% | 159 | 386 |
| Teplá | 42% | 99 | 481 |
| Teplá Vltava | 31% | 166 | 377 |
| Térraba River | 45% | 89 | 503 |
| Tes | 39% | 116 | 447 |
| Teshio River | 36% | 128 | 428 |
| Teslin River | 37% | 126 | 432 |
| Têt | 31% | 168 | 375 |
| Teteriv | 42% | 100 | 479 |
| Teton River (Montana) | 43% | 96 | 488 |
| Thomson River (Victoria) | 40% | 108 | 462 |
| Thunder Bay River | 30% | 169 | 374 |
| Thur (Rhine) | 29% | 179 | 364 |
| Thyamis | 27% | 198 | 346 |
| Tickfaw River | 39% | 113 | 452 |
| Tiền River | 45% | 87 | 508 |
| Tierra Blanca Creek | 46% | 86 | 510 |
| Tieton River | 31% | 161 | 383 |
| Tiffin River | 43% | 95 | 490 |
| Tigre River | 30% | 172 | 371 |
| Tikhaya Sosna | 49% | 76 | 538 |
| Tinau River | 28% | 195 | 349 |
| Tioga River (Chemung River tributary) | 34% | 145 | 403 |
| Tionesta Creek | 47% | 80 | 527 |
| Tirso | 36% | 128 | 428 |
| Titarisios | 45% | 90 | 502 |
| Toce | 35% | 136 | 415 |
| Tokachi River | 47% | 82 | 521 |
| Toklat River | 45% | 87 | 508 |
| Toltén River | 32% | 155 | 391 |
| Tom | 27% | 206 | 340 |
| Tonto Creek | 31% | 162 | 382 |
| Toplica (South Morava) | 38% | 117 | 445 |
| Torre | 37% | 126 | 432 |
| Touchet River | 38% | 121 | 439 |
| Touques | 46% | 85 | 512 |
| Traisen | 46% | 86 | 510 |
| Tree River | 41% | 107 | 465 |
| Treene | 45% | 88 | 505 |
| Trempealeau River | 41% | 105 | 469 |
| Trigno | 48% | 78 | 533 |
| Trombetas River | 40% | 109 | 460 |
| Tronto | 29% | 185 | 357 |
| Trotuș River | 42% | 99 | 481 |
| Truyère | 39% | 112 | 454 |
| Tsarap River | 31% | 163 | 380 |
| Tshuapa River | 46% | 86 | 510 |
| Tsiribihina River | 34% | 143 | 406 |
| Tskhenistsqali | 43% | 96 | 488 |
| Tua River | 39% | 113 | 452 |
| Tucannon River | 39% | 115 | 448 |
| Tugur | 45% | 88 | 505 |
| Tuira River | 29% | 181 | 362 |
| Tukituki River | 38% | 122 | 438 |
| Tully River | 37% | 125 | 433 |
| Tulpehocken Creek (Pennsylvania) | 27% | 198 | 346 |
| Tumut River | 33% | 152 | 394 |
| Tungnaá | 29% | 182 | 361 |
| Tuo River | 35% | 138 | 412 |
| Tura | 28% | 197 | 348 |
| Turgai River | 34% | 145 | 403 |
| Turka (Lake Baikal) | 41% | 103 | 473 |
| Turkey River (Iowa) | 29% | 186 | 357 |
| Turon River | 38% | 122 | 438 |
| Tuross River | 49% | 76 | 538 |
| Tūtaekurī River | 40% | 111 | 457 |
| Tvertsa | 45% | 89 | 503 |
| Tygarts Creek | 49% | 76 | 538 |
| Tym (Sakhalin) | 43% | 96 | 488 |
| Tyry | 45% | 87 | 508 |
| Ūawa River | 46% | 86 | 510 |
| Ubaye | 44% | 94 | 493 |
| Ucker | 37% | 124 | 434 |
| Uda (Selenga) | 47% | 80 | 527 |
| Udy | 50% | 73 | 547 |
| Ufa | 36% | 129 | 427 |
| Ugab River | 33% | 146 | 401 |
| Ugra (Oka) | 26% | 209 | 337 |
| Uil River | 48% | 79 | 530 |
| Ukrina | 48% | 79 | 530 |
| Ūla | 46% | 83 | 518 |
| Ulla | 31% | 161 | 383 |
| Ulúa River | 36% | 133 | 420 |
| Ulungur River | 39% | 115 | 448 |
| Umatilla River | 31% | 165 | 378 |
| Unac River | 43% | 97 | 485 |
| Unadilla River | 37% | 125 | 433 |
| Unica | 44% | 94 | 493 |
| Unuk River | 46% | 83 | 518 |
| Upa | 50% | 73 | 547 |
| Upper Ammonoosuc River | 45% | 87 | 508 |
| Upper Angara | 33% | 148 | 399 |
| Upper Iowa River | 27% | 205 | 340 |
| Ura River, Lena basin (Lena) | 49% | 74 | 544 |
| Urumea River | 26% | 209 | 337 |
| Usa (Pechora) | 36% | 131 | 424 |
| Usora | 49% | 76 | 538 |
| Üür River | 47% | 82 | 521 |
| Uwharrie River | 30% | 175 | 368 |
| Vacha | 46% | 83 | 518 |
| Valapattanam River | 27% | 201 | 343 |
| Valbona | 30% | 171 | 372 |
| Vantaa River | 37% | 126 | 432 |
| Vaupés River | 27% | 207 | 339 |
| Vechte | 31% | 163 | 380 |
| Vedea River | 48% | 79 | 530 |
| Vefsna | 48% | 78 | 533 |
| Veleka | 36% | 130 | 425 |
| Velikaya | 26% | 219 | 330 |
| Velino | 39% | 115 | 448 |
| Vendée | 47% | 81 | 524 |
| Venta | 26% | 216 | 333 |
| Vermilion River (Alberta) | 42% | 102 | 475 |
| Vermilion River (Ohio) | 26% | 217 | 332 |
| Vermilion River (Sudbury District) | 35% | 135 | 417 |
| Vermillion River (Minnesota) | 29% | 183 | 360 |
| Vermillion River (South Dakota) | 40% | 111 | 457 |
| Vesdre | 42% | 100 | 479 |
| Vesle | 35% | 137 | 414 |
| Vidourle | 50% | 73 | 547 |
| Vinalopó | 35% | 138 | 412 |
| Vire | 26% | 215 | 334 |
| Vishera (Perm Krai) | 46% | 84 | 515 |
| Vispa | 33% | 147 | 400 |
| Vit | 36% | 133 | 420 |
| Vitim | 30% | 176 | 367 |
| Vlasina | 41% | 106 | 466 |
| Võhandu River | 36% | 130 | 425 |
| Volga River (Iowa) | 50% | 73 | 547 |
| Vologda River | 46% | 85 | 512 |
| Vorkuta River | 37% | 125 | 433 |
| Voronezh | 31% | 162 | 382 |
| Vorotan River | 40% | 108 | 462 |
| Vouga River | 43% | 95 | 490 |
| Vovcha | 38% | 120 | 441 |
| Vrbanja | 49% | 76 | 538 |
| Vuka | 36% | 131 | 424 |
| Vychegda | 27% | 199 | 345 |
| Vyg | 32% | 158 | 387 |
| Wabigoon River | 30% | 173 | 370 |
| Wadi al-Melik | 47% | 81 | 524 |
| Wahweap Creek | 45% | 88 | 505 |
| Waiapu River | 46% | 83 | 518 |
| Waiau River (Southland) | 29% | 182 | 361 |
| Waiau Toa / Clarence River | 31% | 166 | 377 |
| Waihou River | 26% | 218 | 331 |
| Waipā River | 36% | 133 | 420 |
| Wairau River | 28% | 197 | 348 |
| Wairoa River (Hawke's Bay) | 44% | 94 | 493 |
| Wairoa River (Northland) | 27% | 199 | 345 |
| Wakhan River | 27% | 201 | 343 |
| Walawe River | 33% | 148 | 399 |
| Walnut River (Kansas) | 40% | 108 | 462 |
| Wami River | 41% | 103 | 473 |
| Wanapitei River | 37% | 126 | 432 |
| Wang River | 46% | 85 | 512 |
| Wannon River | 46% | 84 | 515 |
| Wapiti River | 35% | 138 | 412 |
| Warburton River | 32% | 157 | 388 |
| Watarase River | 37% | 126 | 432 |
| Watonwan River | 45% | 88 | 505 |
| Wda | 31% | 162 | 382 |
| Weiser River | 46% | 84 | 515 |
| Werre | 41% | 103 | 473 |
| Wertach | 48% | 77 | 536 |
| West Banas River | 26% | 215 | 334 |
| West Branch Penobscot River | 25% | 220 | 329 |
| West River (Vermont) | 34% | 144 | 404 |
| West Road River | 40% | 109 | 460 |
| West Walker River | 38% | 122 | 438 |
| Weyib River | 49% | 75 | 541 |
| White Lick Creek | 28% | 193 | 351 |
| White River (Green River tributary) | 26% | 216 | 333 |
| White River (Ontario) | 33% | 146 | 401 |
| White River (Yukon) | 28% | 187 | 356 |
| White Salmon River | 27% | 206 | 340 |
| Whitemud River | 46% | 86 | 510 |
| Whiteshell River | 43% | 96 | 488 |
| Wiar | 49% | 75 | 541 |
| Wieprz | 28% | 195 | 349 |
| Wiese | 36% | 129 | 427 |
| Wild Rice River (Minnesota) | 46% | 85 | 512 |
| Wild Rice River (North Dakota) | 48% | 77 | 536 |
| Wildcat Creek (Indiana) | 29% | 182 | 361 |
| Willapa River | 46% | 84 | 515 |
| Williams River (New South Wales) | 48% | 78 | 533 |
| Williams River (West Virginia) | 42% | 101 | 477 |
| Wills Creek (Ohio) | 32% | 159 | 386 |
| Wilsons River (New South Wales) | 33% | 150 | 397 |
| Wimmera River | 25% | 224 | 326 |
| Wind River (Washington) | 40% | 109 | 460 |
| Wind River (Yukon) | 44% | 94 | 493 |
| Wingecarribee River | 47% | 80 | 527 |
| Winisk River | 35% | 135 | 417 |
| Wisłok | 38% | 121 | 439 |
| Wisłoka | 39% | 112 | 454 |
| Withlacoochee River (Suwannee River tributary) | 31% | 165 | 378 |
| Wkra | 39% | 112 | 454 |
| Wollondilly River | 37% | 127 | 430 |
| Wörnitz | 48% | 77 | 536 |
| Wümme | 46% | 84 | 515 |
| Wurm (Rur) | 28% | 192 | 352 |
| Wutach | 39% | 115 | 448 |
| Wynoochee River | 28% | 187 | 356 |
| Xar Moron River | 43% | 98 | 483 |
| Xiao River | 50% | 73 | 547 |
| Xiliao River | 27% | 204 | 341 |
| Xindian River | 39% | 116 | 447 |
| Xunjiang | 40% | 109 | 460 |
| Yahagi River | 29% | 181 | 362 |
| Yakoun River | 36% | 128 | 428 |
| Yala River | 29% | 186 | 357 |
| Yalobusha River | 33% | 149 | 397 |
| Yamato River | 36% | 133 | 420 |
| Yaquina River | 32% | 156 | 389 |
| Yass River | 32% | 160 | 385 |
| Yauza | 26% | 212 | 336 |
| Yaya | 47% | 81 | 524 |
| Ybbs | 34% | 143 | 406 |
| Yellow River (Chippewa River tributary) | 47% | 81 | 524 |
| Yellow River (Indiana) | 28% | 188 | 355 |
| Yellow River (Pensacola Bay) | 39% | 114 | 450 |
| Yentna River | 42% | 99 | 481 |
| Yeongsan River | 43% | 95 | 490 |
| Yerrakaluva | 43% | 96 | 488 |
| Yi River (Henan) | 43% | 98 | 483 |
| Yihe (Shandong) | 43% | 97 | 485 |
| Ying River | 46% | 85 | 512 |
| Yobe River | 25% | 220 | 329 |
| Yockanookany River | 40% | 111 | 457 |
| Yom River | 34% | 145 | 403 |
| York River (Ontario) | 33% | 146 | 401 |
| Ytri Rangá | 43% | 97 | 485 |
| Yuan River | 30% | 176 | 367 |
| yuca guasi (Bolivia and Peru) | 27% | 203 | 342 |
| Yug | 36% | 131 | 424 |
| Yuna River | 31% | 164 | 379 |
| Yura River (Japan) | 50% | 73 | 547 |
| Zagyva | 42% | 99 | 481 |
| Zala | 36% | 130 | 425 |
| Zamantı River | 47% | 81 | 524 |
| Zavkhan River | 45% | 88 | 505 |
| Žeimena | 50% | 73 | 547 |
| Zeta | 25% | 225 | 326 |
| Zeya | 26% | 212 | 336 |
| Zhang River | 47% | 82 | 521 |
| Ziller | 44% | 93 | 496 |
| Zlatna Panega | 44% | 92 | 498 |
| Zohreh River | 46% | 83 | 518 |
| Zwickau Mulde | 36% | 130 | 425 |
| Zymoetz River | 38% | 117 | 445 |