| 100% | ARAL | 4 | Sea into which the Amu Darya flows |
| 61% | ARALSEA | 7 | The Amu Darya used to flow into it |
| 54% | ELBE | 4 | Hamburg's river which flows into the North Sea |
| 50% | ARAL | 4 | Sea fed by the Amu Darya |
| 50% | ELBE | 4 | River into which the Vltava flows |
| 50% | WESER | 5 | River into which the Fulda flows |
| 49% | OHIO | 4 | River into which the Big Sandy flows |
| 49% | OHIO | 4 | River into which the Great Miami flows |
| 49% | ERIE | 4 | Lake into which the Detroit River flows |
| 47% | OHIO | 4 | River into which the Big Sandy and the Little Sandy flow |
| 46% | EBBS | 4 | Flows back into the sea |
| 46% | AZOV | 4 | Sea flowing into the Black Sea |
| 45% | CRIMEARIVER | 11 | The Chornaya, which flows into Sevastopol Bay? |
| 44% | ARAL | 4 | ___ Sea, outlet for the Amu Darya |
| 44% | ARAL | 4 | ___ Sea, outlet of the Amu Darya |
| 44% | RHEIN | 5 | It flows into the North Sea |
| 44% | ARNO | 4 | It flows into the Tyrrhenian Sea |
| 44% | JORDAN | 6 | Sacred river flowing into the Dead Sea |
| 42% | DANUBE | 6 | Major European river that flows into the Black Sea |
| 42% | TEES | 4 | River that flows into the North Sea at Middlesbrough |
| 42% | VOLGA | 5 | Longest river in Europe that flows into the Caspian Sea |
| 41% | CASPIAN | 7 | Sea that the River Volga flows into |
| 41% | SUSQUEHANNA | 11 | US river flowing into the Chesapeake Bay upon which Harrisburg, Pennsylvania stands |
| 40% | DNIEPER | 7 | River rising in Russia near Smolensk which flows south to the Black Sea |
| 40% | EMS | 3 | River rising in NW Germany that flows into the North Sea near Emden |
| 40% | ARALSEA | 7 | The Amu Darya no longer feeds it |
| 39% | ARALSEA | 7 | Waters fed by the Amu Darya |
| 39% | ARAL | 4 | Lake fed by the Amu Darya |
| 39% | YSER | 4 | River rising in northern France that flows through Belgium into the North Sea at Nieuwpoort |
| 39% | MURRAY | 6 | River rising in New South Wales, Australia, that flows into the sea at Encounter Bay |