| Długość | Rzeka | % Poprawnych |
|---|---|---|
| 6800km | Amazonka | 99%
|
| 6695km | Nil | 97%
|
| 3530km | Wołga | 86%
|
| 6300km | Jangcy | 80%
|
| 6020km | Missisipi-Missouri | 73%
|
| 4700km | Kongo | 63%
|
| 4500km | Mekong | 54%
|
| 5464km | Huang He | 52%
|
| 4400km | Lena | 52%
|
| 5410km | Ob-Irtysz | 52%
|
| 4160km | Niger | 39%
|
| 4440km | Amur | 38%
|
| 4102km | Jenisej | 35%
|
| 4380km | Parana | 31%
|
| 4240km | Mackenzie | 17%
|