| Długość (km) | Rzeka | % Poprawnych |
|---|---|---|
| 1047 | Wisła | 99%
|
| 742 | Odra | 97%
|
| 808 | Warta | 93%
|
| 587 | Bug | 86%
|
| 457 | San | 71%
|
| 448 | Narew | 65%
|
| 303 | Wieprz | 61%
|
| 247 | Dunajec | 58%
|
| 391 | Noteć | 54%
|
| 198 | Nysa Łużycka | 52%
|
| 319 | Pilica | 51%
|
| 270 | Bóbr | 48%
|
| 205 | Wisłok | 48%
|
| 238 | Brda | 46%
|
| 182 | Nysa Kłodzka | 46%
|
| 155 | Biebrza | 35%
|
| 164 | Wisłoka | 33%
|
| 198 | Wda | 32%
|
| 249 | Wkra | 32%
|
| 207 | Drwęca | 30%
|
| 166 | Bzura | 27%
|
| 190 | Łyna | 23%
|
| 151 | Nida | 23%
|
| 217 | Prosna | 23%
|
| 145 | Gwda | 22%
|
| 164 | Obra | 22%
|
| 139 | Parsęta | 22%
|
| 186 | Drawa | 17%
|
| 63 | Poprad | 17%
|
| 168 | Rega | 16%
|
| 126 | Ina | 15%
|
| 139 | Barycz | 13%
|
| 108 | Czarna Hańcza | 13%
|
| 132 | Mała Panew | 13%
|
| 96 | Osa | 13%
|
| 169 | Pasłęka | 13%
|
| 132 | Raba | 13%
|
| 138 | Słupia | 13%
|
| 151 | Wierzyca | 12%
|
| 138 | Kamienna | 11%
|
| 134 | Ner | 10%
|
| 120 | Krzna | 9%
|
| 140 | Wieprza | 9%
|
| 116 | Radomka | 8%
|
| 127 | Omulew | 7%
|
| 142 | Orzyc | 7%
|
| 113 | Ełk | 5%
|
| 142 | Liwiec | 5%
|
| 103 | Radunia | 5%
|
| 114 | Skrwa | 5%
|
| 100 | Nurzec | 4%
|
| 118 | Wełna | 4%
|
| 157 | Lega | 1%
|
| 102 | Netta | 1%
|
| 102 | Supraśl | 1%
|
| 103 | Szkwa | 1%
|