| River | Population | Country | Answer | % Correct |
|---|---|---|---|---|
| Dnieper | 2,952,301 | Ukraine | Kyiv | 95%
|
| Rhone | 203,856 | Switzerland | Geneva | 90%
|
| Rhone | 522,250 | France | Lyon | 90%
|
| Congo | 1,373,382 | Rep. Congo | Brazzaville | 85%
|
| Ohio | 309,513 | USA | Cincinnati | 85%
|
| Congo | 7,273,947 | DRC | Kinshasa | 85%
|
| Mekong | 2,189,460 | Cambodia | Phnom Penh | 75%
|
| Dnieper | 968,502 | Ukraine | Dnipro | 70%
|
| Mekong | 620,157 | Laos | Vientiane | 70%
|
| Ohio | 624,444 | USA | Louisville | 55%
|
| Ohio | 302,898 | USA | Pittsburgh | 50%
|
| Dnieper | 710,052 | Ukraine | Zaporizhzhia | 35%
|
| Dnieper | 279,131 | Ukraine | Kherson | 30%
|
| Paraná | 948,312 | Argentina | Rosario | 30%
|
| Ohio | 115,749 | USA | Evansville | 25%
|
| Dnieper | 316,570 | Russia | Smolensk | 25%
|
| Rhone | 90,330 | France | Avignon | 20%
|
| Ohio | 60,037 | USA | Owensboro | 15%
|
| Rhone | 50,415 | France | Arles | 10%
|
| Ohio | 40,956 | USA | Covington | 10%
|
| Congo | 682,599 | DRC | Kisangani | 10%
|
| Rhone | 40,399 | France | Montélimar | 10%
|
| Rhone | 64,483 | France | Valence | 10%
|
| Rhone | 156,928 | France | Villeurbanne | 10%
|
| Mekong | 812,088 | Vietnam | Can Tho | 5%
|
| Dnieper | 269,836 | Ukraine | Cherkasy | 5%
|
| Paraná | 222,274 | Paraguay | Ciudad del Este | 5%
|
| Ohio | 45,746 | USA | Huntington | 5%
|
| Ohio | 51,030 | USA | Jeffersonville | 5%
|
| Dnieper | 353,338 | Belarus | Mogilev | 5%
|
| Mekong | 124,104 | Vietnam | My Tho | 5%
|
| Paraná | 391,164 | Argentina | Santa Fe | 5%
|
| Congo | 171,552 | DRC | Boma | 0%
|
| Congo | 89,289 | DRC | Bumba | 0%
|
| Rhone | 43,572 | France | Caluire-et-Cuire | 0%
|
| Paraná | 86,860 | Argentina | Campana | 0%
|
| Paraná | 346,334 | Argentina | Corrientes | 0%
|
| Mekong | 358,517 | China | Jinghong | 0%
|
| Dnieper | 226,845 | Ukraine | Kamianske | 0%
|
| Congo | 135,534 | DRC | Kindu | 0%
|
| Dnieper | 215,271 | Ukraine | Kremenchuk | 0%
|
| Congo | 67,847 | DRC | Lisala | 0%
|
| Mekong | 239,588 | Vietnam | Long Xuyen | 0%
|
| Congo | 245,862 | DRC | Matadi | 0%
|
| Congo | 262,814 | DRC | Mbandaka | 0%
|
| Ohio | 37,506 | USA | New Albany | 0%
|
| Dnieper | 105,160 | Ukraine | Nikopol | 0%
|
| Paraná | 247,139 | Argentina | Paraná | 0%
|
| Ohio | 29,193 | USA | Parkersburg | 0%
|
| Paraná | 275,028 | Argentina | Posadas | 0%
|
| Paraná | 133,602 | Argentina | San Nicolás de los Arroyos | 0%
|
| Mekong | 91,684 | Laos | Savannakhet | 0%
|
| Rhone | 34,978 | Switzerland | Sion | 0%
|
| Congo | 200,920 | Angola | Soyo | 0%
|
| Mekong | 91,344 | Cambodia | Ta Khmau | 0%
|
| Mekong | 90,714 | Vietnam | Tra Vinh | 0%
|
| Paraná | 119,330 | Brazil | Três Lagoas | 0%
|
| Rhone | 52,139 | France | Vaulx-en-Velin | 0%
|
| Mekong | 102,047 | Vietnam | Vinh Long | 0%
|
| Paraná | 98,522 | Argentina | Zárate | 0%
|