| Długość w km (w Rosji) | Rzeka | % Poprawnych |
|---|---|---|
| 4 400 | Lena | 96%
|
| 3 690 | Wołga | 92%
|
| 4 338 | Ob | 83%
|
| 4 102 | Jenisej | 75%
|
| 1 950 | Don | 67%
|
| 2 824 | Amur | 63%
|
| 2 010 | Irtysz | 63%
|
| 2 129 | Kołyma | 38%
|
| 1 810 | Peczora | 33%
|
| 1 805 | Kama | 21%
|
| 2 273 | Ałdan | 17%
|
| 1 865 | Podkamienna Tunguzka | 17%
|
| 2 989 | Dolna Tunguzka | 13%
|
| 2 292 | Oleniok | 13%
|
| 2 650 | Wiluj | 8%
|
| 1 837 | Witim | 4%
|