| Longueur (mi) | Répondre | % Correct |
|---|---|---|
| 4,132 | Nil | 97%
|
| 4,000 | Amazone | 91%
|
| 3,710 | Mississippi | 72%
|
| 2,193 | Volga | 69%
|
| 2,900 | Congo | 59%
|
| 2,700 | Mékong | 53%
|
| 3,915 | Yangtsé | 50%
|
| 2,600 | Niger | 44%
|
| 2,761 | Amour | 41%
|
| 3,395 | Jaune | 41%
|
| 3,362 | Ob | 31%
|
| 2,734 | Léna | 22%
|
| 3,032 | Paraná | 19%
|
| 3,442 | Ienisseï | 16%
|
| 2,635 | Mackenzie | 16%
|