| River 1 | River 2 | Answer | % Correct |
|---|---|---|---|
| Lea | Thames | London | 100%
|
| East | Hudson | New York | 96%
|
| Marne | Seine | Paris | 96%
|
| Uruguay | de la Plata | Buenos Aires | 93%
|
| Kansas | Missouri | Kansas City | 93%
|
| Anacostia | Potomac | Washington | 81%
|
| Minnesota | Mississippi | Minneapolis | 70%
|
| Desna | Dnieper | Kiev | 63%
|
| Stura di Lanzo | Po | Turin | 63%
|
| Little Miami | Ohio | Cincinnati | 52%
|
| Schuylkill | Delaware | Philadelphia | 48%
|
| Willamette | Columbia | Portland | 44%
|
| Mystic | Charles | Boston | 37%
|
| Arve | Rhône | Geneva | 33%
|
| Pitt | Fraser | Vancouver | 30%
|