| Length | River | % Correct |
|---|---|---|
| 2,845 km | Danube | 92%
|
| 1,233 km | Rhin | 92%
|
| 1,012 km | Loire | 91%
|
| 812 km | Rhône | 91%
|
| 777 km | Seine | 91%
|
| 647 km | Garonne | 87%
|
| 3,530 km | Volga | 84%
|
| 346 km | Tamise | 83%
|
| 652 km | Po | 78%
|
| 874 km | Meuse | 68%
|
| 2,285 km | Dniepr | 67%
|
| 1,007 km | Tage | 67%
|
| 405 km | Tibre | 64%
|
| 1,094 km | Elbe | 63%
|
| 473 km | Saône | 59%
|
| 1,047 km | Vistule | 58%
|
| 910 km | Èbre | 57%
|
| 514 km | Marne | 57%
|
| 1,870 km | Don | 56%
|
| 483 km | Dordogne | 56%
|
| 381 km | Tarn | 55%
|
| 545 km | Moselle | 54%
|
| 485 km | Lot | 51%
|
| 897 km | Douro | 49%
|
| 368 km | Cher | 44%
|
| 1,352 km | Dniestr | 42%
|
| 360 km | Escaut | 42%
|
| 421 km | Allier | 40%
|
| 657 km | Guadalquivir | 40%
|
| 866 km | Oder | 40%
|
| 363 km | Vienne | 40%
|
| 453 km | Doubs | 37%
|
| 525 km | Main | 34%
|
| 2,428 km | Oural | 33%
|
| 989 km | Prout | 25%
|
| 1,020 km | Dvina Occidentale | 22%
|
| 519 km | Inn | 21%
|
| 354 km | Severn | 21%
|
| 945 km | Save | 20%
|
| 937 km | Niémen | 19%
|
| 744 km | Dvina septentrionale | 18%
|
| 1,805 km | Kama | 18%
|
| 818 km | Guadiana | 17%
|
| 430 km | Moldau | 17%
|
| 1,053 km | Donets | 16%
|
| 601 km | Glomma | 16%
|
| 1,480 km | Oka | 16%
|
| 370 km | Shannon | 16%
|
| 415 km | Adige | 15%
|
| 774 km | Boug | 15%
|
| 371 km | Ems | 15%
|
| 503 km | Moskova | 14%
|
| 464 km | Mur | 14%
|
| 380 km | Sprée | 14%
|
| 451 km | Weser | 14%
|
| 1,430 km | Belaya | 13%
|
| 710 km | Drave | 13%
|
| 615 km | Olt | 13%
|
| 857 km | Boug méridional | 12%
|
| 1,130 km | Desna | 12%
|
| 966 km | Mezen | 12%
|
| 1,802 km | Pechora | 12%
|
| 1,419 km | Tisza | 12%
|
| 795 km | Warta | 12%
|
| 979 km | Khoper | 11%
|
| 789 km | Mureș | 11%
|
| 1,314 km | Viatka | 11%
|
| 1,130 km | Vytchegda | 11%
|
| 362 km | Neckar | 10%
|
| 748 km | Seïm | 10%
|
| 550 km | Kemijoki | 9%
|
| 525 km | Maritza | 9%
|
| 779 km | Pinega | 9%
|
| 841 km | Soura | 9%
|
| 530 km | Lovat | 8%
|
| 450 km | Lule | 8%
|
| 761 km | Pripiat | 8%
|
| 451 km | Tana | 8%
|
| 456 km | Mologa | 7%
|
| 416 km | Onega | 7%
|
| 388 km | Vardar | 7%
|
| 542 km | Dalälven | 6%
|
| 461 km | Kalix | 6%
|
| 413 km | Saale | 6%
|
| 470 km | Ume | 6%
|
| 498 km | Júcar | 5%
|
| 445 km | Msta | 5%
|
| 400 km | Pite | 5%
|
| 470 km | Torne | 5%
|
| 445 km | Vindel | 5%
|
| 415 km | Strymon | 3%
|
| 399 km | Ljungan | 2%
|
| 439 km | Ljusnan | 2%
|
| 426 km | Unzha | 2%
|
| 490 km | Ångermanälven | 1%
|
| 417 km | Ialomița | 1%
|
| 430 km | Indalsälven | 1%
|
| 460 km | Klarälven | 1%
|
| 410 km | Skelleftea | 1%
|
| 430 km | Velikaya | 1%
|