| Length | European River | % Correct |
|---|---|---|
| 2,857 km | Danube | 93%
|
| 1,233 km | Rhine | 87%
|
| 3,530 km | Volga | 80%
|
| 777 km | Seine | 79%
|
| 652 km | Po | 70%
|
| 812 km | Rhône | 63%
|
| 2,201 km | Dnieper | 62%
|
| 1,094 km | Elbe | 58%
|
| 1,006 km | Loire | 58%
|
| 1,870 km | Don | 51%
|
| 1,047 km | Vistula | 45%
|
| 854 km | Oder | 42%
|
| 525 km | Main | 38%
|
| 910 km | Ebro | 37%
|
| 1,007 km | Tagus | 36%
|
| 1,362 km | Dniester | 34%
|
| 897 km | Douro | 29%
|
| 950 km | Meuse | 29%
|
| 602 km | Garonne | 27%
|
| 549 km | Moselle | 27%
|
| 2,428 km | Ural | 27%
|
| 519 km | Inn | 25%
|
| 992 km | Sava | 23%
|
| 751 km | Weser - Werra | 21%
|
| 514 km | Marne | 20%
|
| 710 km | Drava | 18%
|
| 657 km | Guadalquivir | 18%
|
| 1,010 km | Neva - Volkhov | 17%
|
| 810 km | Bug | 16%
|
| 1,020 km | Daugava | 15%
|
| 914 km | Neman | 14%
|
| 966 km | Tisza | 14%
|
| 1,053 km | Donets | 13%
|
| 852 km | Guadiana | 13%
|
| 953 km | Prut | 12%
|
| 808 km | Warta | 12%
|
| 619 km | Glomma | 11%
|
| 1,967 km | Kama | 11%
|
| 1,809 km | Pechora | 11%
|
| 1,430 km | Belaya | 10%
|
| 552 km | Kemi | 10%
|
| 515 km | Maritsa | 10%
|
| 1,504 km | Oka | 10%
|
| 565 km | Tornio - Abiskojokk | 10%
|
| 906 km | Kuban | 9%
|
| 789 km | Mureș | 9%
|
| 1,685 km | Northern Dvina - Sukhona | 9%
|
| 615 km | Olt | 9%
|
| 761 km | Pripyat | 9%
|
| 542 km | Dal - Österdal | 8%
|
| 756 km | Göta - Klar | 8%
|
| 857 km | Southern Bug | 8%
|
| 1,130 km | Desna | 7%
|
| 647 km | Narva - Velikaya | 7%
|
| 680 km | Onega - Svid | 7%
|
| 647 km | Siret | 7%
|
| 623 km | Terek | 7%
|
| 554 km | Kymi (Rautalammin route) | 6%
|
| 510 km | Neris | 6%
|
| 594 km | Samara | 6%
|
| 918 km | Ufa | 6%
|
| 613 km | Berezina | 5%
|
| 802 km | Kuma | 5%
|
| 966 km | Mezen | 5%
|
| 798 km | Sal | 5%
|
| 520 km | Voronezh | 5%
|
| 1,130 km | Vychegda | 5%
|
| 650 km | Great Uzen | 4%
|
| 659 km | Horyn | 4%
|
| 571 km | Ik | 4%
|
| 549 km | Inhulets | 4%
|
| 979 km | Khopyor | 4%
|
| 638 km | Little Uzen | 4%
|
| 530 km | Lovat | 4%
|
| 863 km | Manych - Kalaus | 4%
|
| 779 km | Pinega | 4%
|
| 717 km | Psel | 4%
|
| 748 km | Seym | 4%
|
| 648 km | Sozh | 4%
|
| 841 km | Sura | 4%
|
| 678 km | Svir - Vodla | 4%
|
| 663 km | Usa | 4%
|
| 806 km | Vuoksi - Pielinen | 4%
|
| 1,314 km | Vyatka | 4%
|
| 574 km | Yug | 4%
|
| 549 km | Ay | 3%
|
| 546 km | Kolva | 3%
|
| 574 km | Luza | 3%
|
| 656 km | Moksha | 3%
|
| 798 km | Sakmara | 3%
|
| 531 km | Unzha - Kema | 3%
|
| 575 km | Vaga | 3%
|
| 605 km | Vashka | 3%
|
| 889 km | Vetluga | 3%
|
| 592 km | Chusovaya | 2%
|
| 535 km | Dyoma | 2%
|
| 675 km | Great Irgiz | 2%
|
| 531 km | Izhma | 2%
|
| 686 km | Klyazma | 2%
|
| 748 km | Medveditsa | 2%
|