| Długość w km (w Rosji) | Rzeka | % Poprawnych |
|---|---|---|
| 4 400 | Lena | 95%
|
| 3 690 | Wołga | 90%
|
| 4 338 | Ob | 86%
|
| 4 102 | Jenisej | 76%
|
| 1 950 | Don | 67%
|
| 2 010 | Irtysz | 67%
|
| 2 824 | Amur | 62%
|
| 2 129 | Kołyma | 43%
|
| 1 810 | Peczora | 33%
|
| 2 273 | Ałdan | 19%
|
| 1 805 | Kama | 19%
|
| 1 865 | Podkamienna Tunguzka | 19%
|
| 2 989 | Dolna Tunguzka | 14%
|
| 2 292 | Oleniok | 14%
|
| 2 650 | Wiluj | 10%
|
| 1 837 | Witim | 5%
|