| Area | Continent | River | % Correct |
|---|---|---|---|
| 7,044,000 km² | South America | Amazon | 100%
|
| 3,393,000 km² | Africa | Nile | 100%
|
| 2,978,000 km² | North America | Mississippi | 98%
|
| 4,014,000 km² | Africa | Congo | 96%
|
| 1,808,000 km² | Asia | Yangtze | 94%
|
| 2,118,000 km² | Africa | Niger | 92%
|
| 2,975,000 km² | Asia | Ob | 86%
|
| 1,380,000 km² | Europe | Volga | 86%
|
| 1,855,000 km² | Asia | Amur | 84%
|
| 1,080,000 km² | Asia | Ganges | 80%
|
| 2,500,000 km² | Asia | Lena | 80%
|
| 1,165,000 km² | Asia | Indus | 78%
|
| 1,061,000 km² | Oceania | Murray | 78%
|
| 1,390,000 km² | Africa | Zambezi | 78%
|
| 2,800,000 km² | South America | Paraná | 76%
|
| 2,590,000 km² | Asia | Yenisei | 76%
|
| 1,371,000 km² | North America | Missouri | 73%
|
| 1,344,000 km² | North America | Saint Lawrence | 69%
|
| 1,805,000 km² | North America | Mackenzie | 67%
|
| 1,643,000 km² | Asia | Irtysh | 27%
|