| River in central Switzerland | 28 |
| River in central New Jersey | 27 |
| River in central Missouri | 25 |
| River in central Italy | 22 |
| River in central India | 22 |
| River in central Germany | 24 |
| River in central Europe | 23 |
| River in central England | 24 |
| River in Central Africa | 23 |
| River in British Columbia | 25 |
| River in Austria and Hungary | 28 |
| River in an old spiritual | 25 |
| River in a Strauss waltz | 24 |
| River in a Strauss title | 24 |
| River in a Robert Burns poem | 28 |
| River in a Coleridge poem | 25 |
| River in a Christie title | 25 |
| River in a canine's name | 28 |
| River in a Best Picture title | 29 |
| River in a 1957 hit movie | 25 |
| River in a 1957 hit film | 24 |
| River in a 1957 film title | 26 |
| River in a 1914 battle | 22 |
| River in "Aida" | 25 |
| River important in WWI | 22 |
| River immortalized by Smetana | 29 |
| River immortalized by Burns | 27 |
| River horses, for short | 23 |
| River horse, to cockneys | 24 |
| River horse, for short | 22 |
| River from the Savoy Alps | 25 |
| River from the Bernese Alps | 27 |
| River from Superior to Huron | 28 |
| River from Staffordshire | 24 |
| River from Lake Victoria | 24 |
| River from Lake Ontario | 23 |
| River from Lake Ladoga | 22 |
| River from Belgium to France | 28 |
| River formed near Fort Wayne | 28 |
| River formed at Pittsburgh | 26 |
| River for the young Moses | 25 |
| River for some boatmen | 22 |
| River for poet Masters | 22 |
| River flowing to the Seine | 26 |
| River flowing to the Rhine | 26 |
| River flowing to the Missouri | 29 |
| River flowing to Rennes | 23 |
| River flowing through Ghent | 27 |
| River flowing into the Severn | 29 |
| River flowing into the Seine | 28 |
| River flowing into the Rhine | 28 |
| River flowing into the Ouse | 27 |
| River flowing into the Oise | 27 |
| River ferried by Charon | 23 |
| River fed by the Wabash | 23 |
| River fed by the Porcupine | 26 |
| River entering the Fulda | 24 |
| River ending at the Dead Sea | 28 |
| River encircling Hades | 22 |
| River emptying into Green Bay | 29 |
| River dividing New York City | 28 |
| River crosser, perhaps | 22 |
| River crossed in Joshua | 23 |
| River crossed by Orpheus | 24 |
| River crossed by Charon | 23 |
| River City's state | 22 |
| River circling the underworld | 29 |
| River celebrated by Burns | 25 |
| River called Zhayyq in Kazakh | 29 |
| River called Ohre by Czechs | 27 |
| River called Labe by Czechs | 27 |
| River by Windsor Castle | 23 |
| River by Ho Chi Minh City | 25 |
| River bottom substance | 22 |
| River bordering the U. N. | 25 |
| River bordering Manchuria | 25 |
| River bordering Lusatia | 23 |
| River bordering Germany | 23 |
| River boats or freight cars | 27 |
| River beyond the grave | 22 |
| River between two Great Lakes | 29 |
| River between Great Lakes | 25 |
| River beneath the Brooklyn | 26 |
| River below the Boyoma Falls | 28 |
| River at Stratford, Conn. | 25 |
| River at Plymouth Sound | 23 |
| River and town near Chicago | 27 |
| River and park of West | 22 |
| River and lake-system in N.Y. | 29 |
| River and lake of Alberta | 25 |
| River and lake in Scotland | 26 |
| River and city in Maine | 23 |
| River along the Oregon Trail | 28 |
| River Afton's scenery | 25 |
| Rive Gauche fashion initials | 28 |
| Rivals the one-hoss shay | 24 |
| Rivals of the Iroquois | 22 |
| Rivals of the Cougars of BYU | 28 |
| Rivals of the Buckeyes | 22 |
| Rivals for Silvia's hand | 28 |