| nr | długość | rzeka | % Poprawnych |
|---|---|---|---|
| 2 | 854 km | Odra | 100%
|
| 1 | 1047 km | Wisła | 100%
|
| 3 | 808 km | Warta | 94%
|
| 4 | 772 km | Bug | 90%
|
| 6 | 458 km | San | 79%
|
| 5 | 484 km | Narew | 71%
|
| 8 | 319 km | Pilica | 65%
|
| 7 | 391 km | Noteć | 64%
|
| 9 | 303 km | Wieprz | 64%
|
| 10 | 247 km | Dunajec | 59%
|