| Cities | River | % Correct |
|---|---|---|
| Minneapolis, Memphis, New Orleans | Mississippi | 97%
|
| Cairo, Khartoum, Juba | Nile | 96%
|
| Oxford, Reading, London | Thames | 89%
|
| Vienna, Budapest, Belgrade | Danube | 86%
|
| Albany, New York City, Jersey City | Hudson | 83%
|
| Basel, Düsseldorf, Rotterdam | Rhine | 81%
|
| Albuquerque, El Paso, Ciudad Juárez | Rio Grande | 79%
|
| Nizhny Novgorod, Samara, Volgograd | Volga | 77%
|
| Chongqing, Wuhan, Shanghai | Yangtze | 76%
|
| Omaha, Kansas City, St. Louis | Missouri | 73%
|
| Allahabad, Kanpur, Kolkata | Ganges | 69%
|
| Brazzaville, Kinshasa, Mbandaka | Congo | 68%
|
| Grand Junction, Lake Havasu City, Yuma | Colorado | 62%
|
| Vientiane, Nong Khai, Phnom Penh | Mekong | 61%
|
| Louisville, Cincinnati, Pittsburgh | Ohio | 56%
|
| Massena, Montreal, Quebec City | St. Lawrence | 55%
|
| Geneva, Lyon, Avignon | Rhone | 54%
|
| Bamako, Timbuktu, Niamey | Niger | 52%
|
| Buenos Aires, San Fernando, Montevideo | Río de la Plata | 43%
|
| Tulsa, Wichita, Little Rock | Arkansas | 39%
|