| 100% | OSAGE | 5 | — River, tributary of the Missouri, US, that flows into the Lake of the Ozarks reservoir |
| 100% | OSAGE | 5 | — River, tributary of the Missouri, US that flows into the Lake of the Ozarks reservoir |
| 92% | OSAGE | 5 | — River, tributary of the Missouri River in the US that flows into the Lake of the Ozarks reservoir |
| 90% | OSAGE | 5 | — River, US tributary of the Missouri that flows into the Lake of the Ozarks reservoir |
| 83% | OSAGE | 5 | — River, tributary of the Missouri River, US, which flows into the Lake of the Ozarks reservoir |
| 70% | OSAGE | 5 | River that flows into the Lake of the Ozarks |
| 57% | OSAGE | 5 | 276-mile-long Missouri river that the Harry S. Truman Reservoir and the Lake of the Ozarks sits on |
| 50% | CHERWELL | 8 | Tributary of the River Thames that flows through Oxford |
| 49% | ILLER | 5 | River that flows into the Danube in the center of Ulm |
| 48% | OISE | 4 | 212 mi. river that flows into the Seine in the suburbs of Paris |
| 48% | PLATTE | 6 | — River, tributary of the Missouri in Nebraska, US, upon which Fremont stands |
| 47% | PLATTE | 6 | — River, tributary of the Missouri in Nebraska, US, upon which Lexington and Fremont stand |
| 45% | REUSS | 5 | River of Switzerland that flows through Lake Lucerne and the town of Bremgarten |
| 44% | ERIE | 4 | Great Lake that the Detroit River flows into |
| 44% | OSAGE | 5 | River through the Lake of the Ozarks |
| 44% | ILMEN | 5 | Lake —, body of water in northwest Russia that drains into Lake Ladoga through the Volkhov River |
| 43% | SAL | 3 | 482 mi. long river that flows into the Don and rises near the city of Elista in Kalmykia, Russia |
| 43% | LADOGA | 6 | Lake —, body of water in Russia that drains through the River Neva into the Gulf of Finland |
| 43% | OSAGE | 5 | River impounded to form the Lake of the Ozarks |
| 43% | OSAGE | 5 | Lake of the Ozarks tributary |
| 43% | OSAGE | 5 | Lake of the Ozarks' river |
| 43% | OSAGE | 5 | Lake of the Ozarks river |
| 43% | OSAGE | 5 | Tributary of the Missouri River |
| 42% | OSAGE | 5 | River through Lake of the Ozarks |
| 42% | ILMEN | 5 | Lake —, body of water in NW Russia that drains through the Volkhov River into Lake Ladoga |
| 42% | ILMEN | 5 | Lake —, body of water in northwest Russia that drains through the Volkhov River into Lake Ladoga |
| 42% | VICTORIA | 8 | Lake —, body of water in Africa into which the Kagera River flows |
| 41% | VLTAVA | 6 | River that flows through the heart of Prague |
| 41% | UBANGI | 6 | River that flows through the city of Bangui |
| 41% | TEES | 4 | River that flows into the North Sea at Middlesbrough |