| Body of Water | Capital(s) | % Correct |
|---|---|---|
| River Thames | London | 98%
|
| River Seine | Paris | 96%
|
| Danube River | Vienna | Budapest | Belgrade | Bratislava | 82%
|
| Potomac River | Washington D.C. | 77%
|
| Java Sea | Jakarta | 76%
|
| Tigris River | Baghdad | 73%
|
| Øresund Strait | Copenhagen | 72%
|
| Tiber River | Rome | 71%
|
| Congo River | Brazzaville | Kinshasa | 67%
|
| Río de la Plata | Buenos Aires | Montevideo | 65%
|
| Dnieper River | Kyiv | 63%
|
| Gulf of Mexico | Havana | 60%
|
| Amstel River | Amsterdam | 56%
|
| River Liffey | Dublin | 55%
|
| Caspian Sea | Baku | 53%
|
| Mekong River | Vientiane | Phnom Penh | 51%
|
| Lake Victoria | Kampala | 41%
|
| Vistula River | Warsaw | 41%
|
| Han River | Seoul | 38%
|
| Gulf of Aden | Djibouti | 31%
|