| 100% | GANGES | 6 | River out of which the Padma flows |
| 50% | OSAGE | 5 | — River, tributary of the Missouri River, US, which flows into the Lake of the Ozarks reservoir |
| 49% | ERIE | 4 | Lake into which the Detroit River flows |
| 49% | LAOS | 4 | Land through which the Mekong River flows |
| 48% | SUWANNEE | 8 | US river rising in the Okefenokee Swamp on the Georgia-Florida border which flows to the Gulf of Mexico |
| 47% | OHIO | 4 | River into which the Big Sandy flows |
| 47% | OHIO | 4 | River into which the Great Miami flows |
| 47% | ERIE | 4 | Lake which the Detroit River flows to |
| 46% | ELBE | 4 | River into which the Vltava flows |
| 46% | WESER | 5 | River into which the Fulda flows |
| 45% | VLTAVA | 6 | River that flows through the heart of Prague |
| 45% | UBANGI | 6 | River that flows through the city of Bangui |
| 44% | OSAGE | 5 | River that flows into the Lake of the Ozarks |
| 43% | WABASH | 6 | River of the US upon which Terre Haute, Indiana, stands |
| 43% | TIGRIS | 6 | River flowing from the Garden of Eden, in the Bible |
| 43% | DAM | 3 | Clog up, as the flow of a river |
| 43% | ADIGE | 5 | River in N Italy which flows to the Adriatic via Verona |
| 43% | ILLER | 5 | River that flows into the Danube in the center of Ulm |
| 43% | AVON | 4 | River of central England flowing to the River Severn at Tewkesbury |
| 43% | EBRO | 4 | River in Spain that flows to the Mediterranean southwest of Tarragona |
| 43% | VISTULA | 7 | River of Poland that flows to the Baltic Sea near Gdansk |
| 43% | ELBE | 4 | Hamburg's river which flows into the North Sea |
| 42% | CHERWELL | 8 | Tributary of the River Thames that flows through Oxford |
| 42% | DREDGE | 6 | Scoop mud out from the bottom of a river |
| 42% | NILE | 4 | River that flows out of Lake Victoria |
| 42% | RIOGRANDE | 9 | River that flows from Colorado to the Gulf of Mexico: 2 wds. |
| 42% | ORINOCO | 7 | "___ Flow" (Enya song featuring the name of a South American river) |
| 42% | TABRIZ | 6 | Location of the Qari Bridge which crosses the Quri River |
| 42% | MARNE | 5 | River in France which is a tributary of the Seine |
| 42% | DAM | 3 | It can control the flow of water in a river |