| 100% | ISERE | 5 | French department or a river that runs through it |
| 52% | VALE | 4 | A river might run through it |
| 48% | CANON | 5 | A river (often) runs through it |
| 47% | DELTA | 5 | A river runs through it |
| 44% | CANYON | 6 | Often a river runs through it |
| 43% | NILE | 4 | River that runs through Egypt |
| 43% | SEINE | 5 | River that runs through Paris |
| 43% | THAMES | 6 | River that runs through London |
| 43% | TIGRIS | 6 | River that runs through Baghdad |
| 43% | OTA | 3 | River that runs through Hiroshima |
| 43% | NILE | 4 | River that runs through Cairo |
| 43% | TIBER | 5 | River that runs through Rome |
| 43% | URAL | 4 | River that runs through Magnitogorsk |
| 43% | URAL | 4 | River that runs through 35-Across |
| 43% | ODER | 4 | River that runs through 86-Across |
| 43% | DANUBE | 6 | River that runs through 111-Across |
| 43% | ELBE | 4 | River that runs through 67-Across |
| 43% | EBRO | 4 | River that runs through 23-Across |
| 43% | INDUS | 5 | River that runs through 69-Across |
| 43% | LENA | 4 | River that runs through 42-Across |
| 43% | RHONE | 5 | River that runs through 94-Across |
| 43% | POTOMAC | 7 | River that runs through Washington DC |
| 42% | DANUBE | 6 | River that runs through four European capitals |
| 42% | AVON | 4 | River that runs through Shakespeare's birthplace |
| 42% | GORGE | 5 | Valley with a river running through it |
| 42% | TIGRIS | 6 | The river that runs through Baghdad |
| 42% | ORNE | 4 | French department or river |
| 41% | MACLEAN | 7 | Norman, author of A River Runs Through It |
| 41% | SENEGAL | 7 | River in West Africa that shares its name with a country it flows through |
| 41% | RIVER | 5 | "A ___ Runs Through It" (Robert Redford film that features fly-fishing) |