Length (Miles)
|
Countries
|
River
|
World Rank (By Length)
|
4,345
|
Brazil, Peru, Bolivia, Colombia, Ecuador, Venezuela, Guyana
|
Amazon
|
1
|
3,030
|
Brazil, Argentina, Paraguay, Bolivia, Uruguay
|
Parana/Rio de la Plata
|
8
|
2,270
|
Brazil
|
Tocantins/Araguaia
|
17
|
2,100
|
Brazil, Bolivia, Peru
|
Madeira/Mamore/Grande/Caine/Rocha
|
21
|
1,995
|
Brazil, Peru
|
Purus
|
22
|
1,976
|
Brazil
|
Sao Francisco
|
24
|
1,632
|
Brazil
|
Araguaia
|
33
|
1,625
|
Brazil, Colombia
|
Japura
|
36
|
1,584
|
Brazil, Paraguay, Bolivia, Argentina
|
Paraguay
|
38
|
1,553
|
Paraguay, Argentina, Bolivia
|
Pilcomayo
|
40
|
|