| Rang | Länge | Fluss | % Korrekt |
|---|---|---|---|
| 2. | 6'400 km | Amazonas | 100%
|
| 1. | 6'650 km | Nil | 100%
|
| 4. | 6'051 km | Mississippi | 80%
|
| 6. | 5'410 km | Ob | 68%
|
| 3. | 6'380 km | Jangtsekiang | 64%
|
| 10. | 4'692 km | Lena | 64%
|
| 9. | 4'835 km | Kongo | 60%
|
| 5. | 5'540 km | Jenissei | 44%
|
| 7. | 5'052 km | Amur | 40%
|
| 8. | 4'845 km | Huáng Hé | 24%
|