| 100% | OSAGE | 5 | River that flows into the Lake of the Ozarks |
| 79% | OSAGE | 5 | — River, tributary of the Missouri, US that flows into the Lake of the Ozarks reservoir |
| 79% | OSAGE | 5 | — River, tributary of the Missouri, US, that flows into the Lake of the Ozarks reservoir |
| 79% | OSAGE | 5 | — River, US tributary of the Missouri that flows into the Lake of the Ozarks reservoir |
| 77% | OSAGE | 5 | — River, tributary of the Missouri River in the US that flows into the Lake of the Ozarks reservoir |
| 70% | ILLER | 5 | River that flows into the Danube in the center of Ulm |
| 68% | OISE | 4 | 212 mi. river that flows into the Seine in the suburbs of Paris |
| 67% | OSAGE | 5 | — River, tributary of the Missouri River, US, which flows into the Lake of the Ozarks reservoir |
| 62% | SAL | 3 | 482 mi. long river that flows into the Don and rises near the city of Elista in Kalmykia, Russia |
| 62% | REUSS | 5 | River of Switzerland that flows through Lake Lucerne and the town of Bremgarten |
| 61% | OSAGE | 5 | River impounded to form the Lake of the Ozarks |
| 61% | ERIE | 4 | Great Lake that the Detroit River flows into |
| 60% | OSAGE | 5 | River through the Lake of the Ozarks |
| 60% | ILMEN | 5 | Lake —, body of water in northwest Russia that drains into Lake Ladoga through the Volkhov River |
| 59% | VLTAVA | 6 | River that flows through the heart of Prague |
| 59% | UBANGI | 6 | River that flows through the city of Bangui |
| 59% | TEES | 4 | River that flows into the North Sea at Middlesbrough |
| 59% | CHERWELL | 8 | Oxfordshire river that flows into the Thames |
| 59% | OSAGE | 5 | Lake of the Ozarks' river |
| 59% | OSAGE | 5 | Lake of the Ozarks river |
| 58% | PARNAIBA | 8 | Brazilian river that flows into the Atlantic Ocean |
| 58% | AAR | 3 | Swiss river that flows into the Rhine (Var.) |
| 58% | OSAGE | 5 | River through Lake of the Ozarks |
| 58% | DANUBE | 6 | Major European river that flows into the Black Sea |
| 58% | OUSE | 4 | 143 mi. British river that flows into the Wash |
| 57% | NILE | 4 | River that flows out of Lake Victoria |
| 57% | ILMEN | 5 | Lake —, body of water in NW Russia that drains through the Volkhov River into Lake Ladoga |
| 57% | ILMEN | 5 | Lake —, body of water in northwest Russia that drains through the Volkhov River into Lake Ladoga |
| 57% | VICTORIA | 8 | Lake —, body of water in Africa into which the Kagera River flows |
| 57% | LADOGA | 6 | Lake —, body of water in Russia that drains through the River Neva into the Gulf of Finland |