Largest River Watersheds

Can you name the river systems (non-tributary) with the largest watersheds by area?

ContinentRiverWatershed area
South America6,145,186 sq km
Africa3,730,881 sq km
Africa3,254,853 sq km
North America3,202,185 sq km
Asia2,982,493 sq km
South America2,582,704 sq km
Asia2,554,388 sq km
Asia2,306,743 sq km
Africa2,261,741 sq km
Asia1,929,955 sq km
ContinentRiverWatershed area
North America1,805,200 sq km
Asia1,722,193 sq km
Asia1,621,000 sq km
Europe1,410,951 sq km
Africa1,332,574 sq km
Asia1,081,718 sq km
North America1,072,300 sq km
Oceania1,050,116 sq km
North America1,049,636 sq km
South America953,675 sq km

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