 |
| River |
Km |
Countries |
|
| Mississipi-Missouri-Red Rock |
5970 |
United States |
|
| Mackenzie (with Peace River) |
4241 |
Canada |
|
| Yukon |
3185 |
Canada, United States |
|
| Rio Grande |
3060 |
United States, Mexico |
|
| Saint Laurent |
3058 |
Canada, United States |
|
| Nelson (with Saskatchewan) |
2575 |
Canada |
|
| Arkansas |
2348 |
United States |
|
| Colorado |
2333 |
United States, Mexico |
|
| Ohio-Allegheny |
2102 |
United States |
|
| Red River (South) |
2080 |
United States |
|
| Columbia |
1954 |
Canada, United States |
|
| Snake River |
1670 |
United States |
|
| Churchill |
1610 |
Canada |
|
| Platte River |
1593 |
United States |
|
| Brazos |
1490 |
United States |
|
| Pecos |
1490 |
United States |
|
| Canadian River |
1458 |
United States |
|
| Tennessee-French Broad |
1417 |
United States |
|
| South Saskatchewan |
1392 |
Canada |
|
| Colorado (in Texas) |
1387 |
United States |
|
| Fraser |
1370 |
Canada |
|
| North Canadian River |
1290 |
United States |
|
| North Saskatchewan |
1287 |
Canada |
|
| Ottawa River |
1271 |
Canada |
|
| Athabasca |
1231 |
Canada |
|
| Red River (North) |
1200 |
United States, Canada |
|
| Kansas |
1196 |
United States |
|
| Green River |
1175 |
United States |
|
| Kuskokwim |
1165 |
United States |
|
| White River |
1160 |
United States |
|
| Cumberland |
1159 |
United States |
|
| James |
1143 |
United States |
|
| Liard |
1115 |
Canada |
|
| Yellowstone |
1110 |
United States |
|
| Assiniboine |
1070 |
Canada |
|
| Tanana |
1060 |
United States |
|
| Gila |
1044 |
United States |
|
| Mobile-Alabama-Coosa |
1040 |
United States |
|
| Milk |
1006 |
Canada, United States |
|
