| km | River | % Correct | |
|---|---|---|---|
| 1 | 2,860 | Danube | 94%
|
| 3 | 1,236 | Rhine | 92%
|
| 10 | 815 | Rhone | 71%
|
| 4 | 1,091 | Elbe | 66%
|
| 7 | 1,012 | Loire | 65%
|
| 5 | 1,047 | Vistula | 57%
|
| 9 | 854 | Oder | 46%
|
| 8 | 960 | Ebro | 38%
|
| 6 | 1,038 | Tagus | 33%
|
| 2 | 1,358 | Tisza | 9%
|