Continent
|
Terminus
|
Area (sq km)
|
Answer
|
South America
|
Atlantic Ocean
|
6,145,186
|
Amazon River
|
Africa
|
Atlantic Ocean
|
3,730,881
|
Congo River
|
Asia
|
endorheic basin
|
3,626,000
|
Caspian Sea
|
Africa
|
Atlantic Ocean
|
3,254,853
|
Nile River
|
North America
|
Atlantic Ocean
|
3,202,185
|
Mississippi-Missouri River
|
South America
|
Atlantic Ocean
|
3,170,000
|
Río de la Plata
|
Asia
|
Arctic Ocean
|
2,982,493
|
Ob River
|
Asia
|
Arctic Ocean
|
2,554,388
|
Yenisei River
|
Africa
|
endorheic basin
|
2,497,738
|
Lake Chad basin
|
Asia
|
Arctic Ocean
|
2,306,743
|
Lena River
|
Africa
|
Atlantic Ocean
|
2,261,741
|
Niger River
|
Asia
|
Pacific Ocean
|
1,929,955
|
Amur River
|
North America
|
Arctic Ocean
|
1,805,200
|
Mackenzie River
|
Asia
|
Pacific Ocean
|
1,722,193
|
Yangtze River
|
Asia
|
Indian Ocean
|
1,621,000
|
Meghna-Padma-Ganges-Brahmaputra River
|
Asia
|
endorheic basin
|
1,618,750
|
Aral Sea
|
North America
|
Atlantic Ocean
|
1,344,200
|
St Lawrence River
|
Africa
|
Indian Ocean
|
1,332,574
|
Zambezi River
|
Australia
|
endorheic basin
|
1,200,000
|
Lake Eyre Basin
|
Asia
|
Indian Ocian
|
1,081,718
|
Indus River
|
North America
|
Atlantic Ocean
|
1,072,300
|
Nelson River
|
Australia
|
Southern Ocean
|
1,050,116
|
Murray-Darling Basin
|
|