| City | River | % Correct |
|---|---|---|
| Vienna | Danube | 100%
|
| Manaus | Amazon | 98%
|
| Kinshasa | Congo | 98%
|
| New Orleans | Mississippi | 98%
|
| Cairo | Nile | 98%
|
| Cologne | Rhine | 98%
|
| London | Thames | 98%
|
| New York | Hudson | 95%
|
| Volgograd | Volga | 95%
|
| Shanghai | Yangtze | 95%
|
| Paris | Seine | 93%
|
| Kiev | Dnieper | 86%
|
| Washington DC | Potomac | 86%
|
| El Paso-Ciudad Juarez | Rio Grande | 86%
|
| Montréal | St. Lawrence | 86%
|
| Baghdad | Tigris | 86%
|
| Rome | Tiber | 84%
|
| Lyon | Rhone | 81%
|
| Hamburg | Elbe | 74%
|
| Nantes | Loire | 74%
|
| Frankfurt | Main | 72%
|
| Varanasi | Ganges | 70%
|
| Guangzhou | Pearl | 70%
|
| Philadelphia | Delaware | 63%
|
| Lisbon | Tagus | 56%
|
| Warsaw | Vistula | 56%
|
| St. Petersburg (Russia) | Neva | 51%
|
| Seoul | Han | 47%
|
| Berlin | Spree | 42%
|
| Moscow | Moskva | 35%
|