| 100% | ELBE | 4 | Hamburg's river which flows into the North Sea |
| 66% | TEES | 4 | River that flows into the North Sea at Middlesbrough |
| 57% | RHEIN | 5 | It flows into the North Sea |
| 56% | EMS | 3 | River rising in NW Germany that flows into the North Sea near Emden |
| 55% | ELBE | 4 | Hamburg's river or river to the North Sea |
| 54% | YSER | 4 | River into the North Sea |
| 54% | TEES | 4 | River into the North Sea |
| 54% | ELBE | 4 | River in central Europe that flows to the North Sea at Hamburg |
| 53% | WEAR | 4 | River that flows to the North Sea at Sunderland |
| 53% | TEES | 4 | River that flows to the North Sea at Middlesbrough |
| 52% | DANUBE | 6 | Major European river that flows into the Black Sea |
| 49% | TYNE | 4 | English river that flows to the North Sea at South Shields |
| 49% | JORDAN | 6 | Sacred river flowing into the Dead Sea |
| 48% | YSER | 4 | River rising in northern France that flows through Belgium into the North Sea at Nieuwpoort |
| 48% | ELBE | 4 | River into which the Vltava flows |
| 48% | WESER | 5 | River into which the Fulda flows |
| 48% | ARAL | 4 | Sea into which the Amu Darya flows |
| 48% | OHIO | 4 | River into which the Big Sandy flows |
| 48% | OHIO | 4 | River into which the Great Miami flows |
| 47% | ERIE | 4 | Lake into which the Detroit River flows |
| 47% | CASPIAN | 7 | Sea that the River Volga flows into |
| 46% | UGIE | 4 | River in Scotland that flows to the North Sea at Peterhead |
| 46% | ELBE | 4 | 380 mile central European river that flows to the North Sea |
| 46% | WESER | 5 | River in Germany that flows to the North Sea at Bremerhaven |
| 46% | OHIO | 4 | River into which the Big Sandy and the Little Sandy flow |
| 46% | TEES | 4 | River that flows through Middlesbrough to the North Sea |
| 45% | SUSQUEHANNA | 11 | US river flowing into the Chesapeake Bay upon which Harrisburg, Pennsylvania stands |
| 44% | VICTORIA | 8 | Lake —, body of water in Africa into which the Kagera River flows |
| 44% | VOLGA | 5 | Longest river in Europe that flows into the Caspian Sea |
| 44% | TYNE | 4 | River in N England that flows to the North Sea at South Shields |