| Länge in | Fluss | % Korrekt |
|---|---|---|
| 1233 | Rhein | 99%
|
| 1870 | Don | 97%
|
| 2811 | Donau | 96%
|
| 3530 | Wolga | 93%
|
| 1094 | Elbe | 82%
|
| 1047 | Weichsel | 40%
|
| 2285 | Dnepr | 26%
|
| 1352 | Dnister | 13%
|
| 2428 | Ural | 11%
|
| 1802 | Petschora | 3%
|