 |
| River |
Km |
Countries |
|
| Amazon |
6280 |
Peru, Colombia, Brazil |
|
| Rio Paraná |
4700 |
Brazil, Paraguay, Argentina |
|
| Madeira (with Mamoré) |
3240 |
Bolivia, Brazil |
|
| Purus |
3210 |
Peru, Brazil |
|
| Rio São Francisco |
2900 |
Brazil |
|
| Rio Tocantins |
2700 |
Brazil |
|
| Araguaia |
2600 |
Brazil |
|
| Rio Pilcomayo |
2500 |
Bolivia, Argentina, Paraguay |
|
| Rio Paraguay |
2400 |
Brazil, Paraguay |
|
| Juruá |
2280 |
Peru, Brazil |
|
| Orinoco |
2140 |
Venezuela, Colombia |
|
| Xingu |
2100 |
Brazil |
|
| Japurá |
2000 |
Colombia, Brazil |
|
| Rio Salado |
2000 |
Argentina |
|
| Tapajos |
1992 |
Brazil |
|
| Rio Bermejo |
1800 |
Bolivia, Argentina |
|
| Rio Marañón |
1800 |
Peru |
|
| Parnaiba |
1720 |
Brazil |
|
| Rio Uruguay |
1650 |
Brazil, Uruguay |
|
| Rio Putumayo |
1580 |
Colombia, Ecuador, Peru, Brazil |
|
| Rio Negro |
1550 |
Colombia, Venezuela, Brazil |
|
| Guaporé |
1540 |
Brazil, Bolivia |
|
| Rio Magdalena |
1540 |
Colombia |
|
| Iguaçu |
1320 |
Brazil, Argentina |
|
| Rio Branco |
1300 |
Brazil |
|
| Rio Colorado |
1300 |
Argentina |
|
| Rio Negro |
1250 |
Argentina |
|
| Rio Grande de Minas |
1230 |
Brazil |
|
| Rio Huallaga |
1200 |
Peru |
|
| Tietê |
1120 |
Brazil |
|
| Cauca |
1100 |
Colombia |
|
| Rio Madre de Dios |
1100 |
Peru, Bolivia |
|
| Jequitinhonha |
1080 |
Brazil |
|
| Apurimac |
1000 |
Peru |
|
| Essequibo |
1000 |
Guyana |
|
| Itapicuru |
1000 |
Brazil |
|
| Rio Beni |
1000 |
Bolivia |
|
