| Capital | River | % Correct |
|---|---|---|
| Vienna | Danube | 93%
|
| Bratislava | Danube | 93%
|
| Budapest | Danube | 93%
|
| Belgrade | Danube | 93%
|
| London | Thames | 90%
|
| Cairo | Nile | 85%
|
| Khartoum | Nile | 85%
|
| Paris | Seine | 85%
|
| Vaduz | Rhine | 80%
|
| Brazzaville | Congo | 77%
|
| Kinshasa | Congo | 77%
|
| Washington DC | Potomac | 69%
|
| Rome | Tiber | 69%
|
| Vientiane | Mekong | 68%
|
| Phnom Penh | Mekong | 68%
|
| Bamako | Niger | 68%
|
| Dhaka | Padma | 65%
|
| Baghdad | Tigris | 60%
|
| Kiev | Dnieper | 55%
|
| Lisbon | Tagus | 50%
|
| Warsaw | Vistula | 49%
|
| Dublin | Liffey | 44%
|
| Montevideo | Santa Lucia | 42%
|
| Banjul | Gambia | 37%
|
| Ottawa | Ottawa | 37%
|
| Ljubljana | Sava | 36%
|
| Zagreb | Sava | 36%
|
| Berlin | Spree | 36%
|
| Asuncion | Paraguay | 35%
|
| Prague | Vltava | 35%
|
| Amsterdam | Amstel | 34%
|
| Seoul | Han | 34%
|
| Juba | White Nile | 33%
|
| Moscow | Moskva | 29%
|
| Brussels | Senne | 28%
|
| Hanoi | Red | 25%
|
| Madrid | Manzanares | 22%
|
| Riga | Daugava | 21%
|
| New Delhi | Yamuna | 20%
|
| Georgetown | Demerara | 18%
|
| Bangui | Ubangi | 18%
|
| Bern | Aare | 15%
|
| Bangkok | Chao Phraya | 15%
|
| Paramaribo | Suriname | 14%
|
| N'Djamena | Chari | 13%
|
| Skopje | Vardar | 13%
|
| Pyongyang | Taedong | 11%
|
| Vilnius | Neris | 10%
|
| Luxembourg | Alzette | 9%
|
| Tokyo | Arakawa | 9%
|
| Nur-Sultan | Ishim | 8%
|
| Bandar Seri Begawan | Brunei | 7%
|
| Antananarivo | Ikopa | 7%
|
| Lilongwe | Lilongwe | 7%
|
| Tbilisi | Mtkvari | 7%
|
| Monrovia | St. Paul | 7%
|
| Minsk | Svislach | 7%
|
| Ulanbator | Tuul | 7%
|
| Helsinki | Vantaa | 7%
|
| Addis Ababa | Awash | 6%
|
| Rabat | Bou Regreg | 6%
|
| Tashkent | Chirchiq | 6%
|
| Santiago | Maipo | 6%
|
| Libreville | Komo | 5%
|
| Canberra | Molonglo | 5%
|
| Luanda | Cuanza | 4%
|
| Sarajevo | Milijacka | 4%
|
| Podgorica | Moraca | 4%
|
| Porto Novo | Oueme | 4%
|
| Islamabad | Sawan | 4%
|
| Kathmandu | Bagmati | 3%
|
| Freetown | Rokel | 3%
|
| Bissau | Corubal | 2%
|
| Bucharest | Dambotiva | 1%
|
| Tirana | Erzen | 1%
|
| Dushanbe | Kafirnigan | 1%
|
| Maputo | Matola/Tembe | 1%
|
| Maseru | Mohokare | 1%
|
| Kigali | Nyabarongo | 1%
|
| Taipei | Tamsui | 1%
|
| Naypyidaw | Sittang | 0%
|