| Długość w km (całkowita) | Rzeka | % Poprawnych |
|---|---|---|
| 2888 | Dunaj | 100%
|
| 1232,7 | Ren | 100%
|
| 1165 | Łaba | 88%
|
| 866 | Odra | 88%
|
| 524 | Men | 76%
|
| 382 | Sprewa | 53%
|
| 545 | Mozela | 47%
|
| 256 | Nysa Łużycka | 41%
|
| 217 | Ruhra | 41%
|
| 325 | Hawela | 35%
|
| 295 | Izara | 35%
|
| 433 | Wezera | 35%
|
| 517 | Inn | 24%
|
| 367 | Neckar | 24%
|
| 257 | Biała Elstera | 18%
|
| 371 | Ems | 18%
|
| 413 | Soława | 18%
|
| 242 | Lahn | 12%
|
| 211 | Aller | 6%
|
| 220 | Elde | 6%
|
| 218 | Fulda | 6%
|
| 241 | Leine | 6%
|
| 255 | Lippe | 6%
|
| 291 | Ochrza | 6%
|
| 246 | Saara | 6%
|
| 225 | Salzach | 6%
|
| 292 | Werra | 6%
|
| 265 | Lech | 0%
|