| 100% | NEVA | 4 | River that flows by the Hermitage |
| 79% | NEVA | 4 | River that passes by the Hermitage |
| 59% | YSER | 4 | River that flows through the ganzepoot |
| 59% | SEINE | 5 | River that passes by the Louvre |
| 59% | AARE | 4 | River that flows from the Bernese Alps |
| 59% | COLORADO | 8 | River that flows through the Grand Canyon |
| 59% | MOSKVA | 6 | River that flows through the Russian capital |
| 59% | URAL | 4 | River that flows to the Caspian Sea |
| 58% | VLTAVA | 6 | River that flows through the heart of Prague |
| 58% | UBANGI | 6 | River that flows through the city of Bangui |
| 57% | CAM | 3 | River that flows through Cambridge to the River Ouse |
| 57% | OSAGE | 5 | River that flows into the Lake of the Ozarks |
| 57% | TAFF | 4 | River that flows to the Bristol Channel at Cardiff |
| 57% | TAGUS | 5 | River that flows to the Atlantic at Lisbon, Portugal |
| 57% | WEAR | 4 | River that flows to the North Sea at Sunderland |
| 57% | TEES | 4 | River that flows through Middlesbrough to the North Sea |
| 57% | RHINE | 5 | River that flows through Germany and the Swiss Alps |
| 57% | TEES | 4 | River that flows to the North Sea at Middlesbrough |
| 57% | TEES | 4 | River that flows into the North Sea at Middlesbrough |
| 57% | THAMES | 6 | River that flows under the Tower Bridge in London |
| 57% | RIBBLE | 6 | River that flows to the Irish Sea near Preston |
| 56% | ILLER | 5 | River that flows into the Danube in the center of Ulm |
| 56% | YANGTZE | 7 | River that flows to the East China Sea near Shanghai, China |
| 55% | CHERWELL | 8 | Oxfordshire river that flows into the Thames |
| 55% | PECOS | 5 | River that flows from New Mexico through Texas to the Rio Grande |
| 55% | RIOGRANDE | 9 | River that flows from Colorado to the Gulf of Mexico: 2 wds. |
| 55% | PARNAIBA | 8 | Brazilian river that flows into the Atlantic Ocean |
| 55% | AAR | 3 | Swiss river that flows into the Rhine (Var.) |
| 55% | ELBE | 4 | European river that flows through the Czech Republic |
| 53% | URAL | 4 | Russian river that flows to the Caspian Sea at Guryev |