 |
| River |
Km |
Continent |
 |
| Nile |
6671 |
Africa |
 |
| Amazon |
6280 |
South America |
 |
| Mississipi-Missouri-Red Rock |
5970 |
North America |
 |
| Chang Jiang |
5800 |
Asia |
 |
| Ob (with Irtys) |
5410 |
Asia |
 |
| Huang He |
4845 |
Asia |
 |
| Rio Paraná |
4700 |
South America |
 |
| Mekong |
4500 |
Asia |
 |
| Amur (with Silka) |
4416 |
Asia |
 |
| Irtys |
4400 |
Asia |
 |
| Lena |
4400 |
Asia |
 |
| Congo (Zaire) |
4374 |
Africa |
 |
| Mackenzie (with Peace River) |
4241 |
North America |
 |
| Niger |
4184 |
Africa |
 |
| Jenisej |
4092 |
Asia |
 |
| Volga |
3531 |
Europe |
 |
| Madeira (with Mamoré) |
3240 |
South America |
 |
| Purus |
3210 |
South America |
 |
| Yukon |
3185 |
North America |
 |
| Indo |
3180 |
Asia |
 |
| Rio Grande |
3060 |
North America |
 |
| Saint Lawrence |
3058 |
North America |
 |
| Brahmaputra |
2900 |
Asia |
 |
| Rio São Francisco |
2900 |
South America |
 |
| Danube |
2858 |
Europe |
 |
| Euphrates |
2760 |
Asia |
 |
| Darling (with Culgoa and Condamine) |
2740 |
Oceania |
 |
| Zambezi |
2736 |
Africa |
 |
| Rio Tocantins |
2700 |
South America |
 |
| Syrdarja |
2671 |
Asia |
 |
| Araguaia |
2600 |
South America |
 |
| Nizhnyaya Tunguska |
2600 |
Asia |
 |
| Nelson (with Saskatchewan) |
2575 |
North America |
 |
| Amudarja |
2540 |
Asia |
 |
| Murray |
2520 |
Oceania |
 |
| Gange |
2510 |
Asia |
 |
| Kolyma |
2500 |
Asia |
 |
| Rio Pilcomayo |
2500 |
South America |
|