| Länge | Name | % Korrekt |
|---|---|---|
| 1.233 km | Rhein | 100%
|
| 2.857 km | Donau | 99%
|
| 1.091 km | Elbe | 97%
|
| 527 km | Main | 95%
|
| 854 km | Oder | 91%
|
| 452 km | Weser | 89%
|
| 517 km | Inn | 88%
|
| 382 km | Spree | 85%
|
| 545 km | Mosel | 84%
|
| 295 km | Isar | 82%
|
| 367 km | Neckar | 81%
|
| 325 km | Havel | 75%
|
| 217 km | Ruhr | 74%
|
| 218 km | Fulda | 71%
|
| 413 km | Saale | 69%
|
| 371 km | Ems | 67%
|
| 300 km | Werra | 62%
|
| 264 km | Lech | 60%
|
| 246 km | Saar | 60%
|
| 281 km | Leine | 55%
|
| 246 km | Lahn | 50%
|
| 220 km | Lippe | 48%
|
| 260 km | Aller | 47%
|
| 220 km | Altmühl | 33%
|
| 290 km | Mulde | 26%
|
| 225 km | Salzach | 19%
|
| 316 km | Eger | 17%
|
| 257 km | Weiße Elster | 17%
|
| 220 km | Elde | 13%
|