| 100% | WABASH | 6 | River of the US upon which Terre Haute, Indiana, stands |
| 51% | PLATTE | 6 | — River, tributary of the Missouri in Nebraska, US, upon which Fremont stands |
| 50% | DERWENT | 7 | Tributary of the River Trent upon which Derby stands |
| 47% | WHARFE | 6 | Tributary of the River Ouse in West and North Yorkshire upon which Ilkley stands |
| 46% | KAMA | 4 | Russian river upon which the cities of Perm and Solikamsk stand |
| 45% | KUBAN | 5 | Russian river upon which the cities of Armavir and Temryuk, Krasnodar Krai, stand |
| 44% | PLATTE | 6 | — River, tributary of the Missouri in Nebraska, US, upon which Lexington and Fremont stand |
| 44% | VITIM | 5 | Russian river, a tributary of the Lena, upon which Bodaybo, Irkutsk, stands |
| 43% | LUALABA | 7 | River of the eastern Democratic Republic of the Congo on which Ankoro stands |
| 42% | VYATKA | 6 | River in Russia, a tributary of the Kama River upon which Kotelnich stands |
| 42% | KAMA | 4 | Tributary of the Volga River upon which Perm and Solikamsk stand |
| 41% | SUSQUEHANNA | 11 | US river flowing into the Chesapeake Bay upon which Harrisburg, Pennsylvania stands |
| 40% | SAVANNAH | 8 | US river upon which Augusta, Georgia, stands |
| 40% | ALGOA | 5 | — Bay, arm of the Indian Ocean upon which Port Elizabeth, South Africa, stands |
| 40% | GUANABARABAY | 12 | Deep inlet of the Atlantic Ocean upon which Rio de Janeiro, Brazil, stands |
| 36% | SUWANNEE | 8 | US river rising in the Okefenokee Swamp on the Georgia-Florida border which flows to the Gulf of Mexico |
| 34% | RHONE | 5 | River rising in the Swiss Alps upon which Avignon, France, stands |
| 34% | IGUANODON | 9 | One of the dinosaurs upon which Godzilla is based |
| 34% | HOOSIER | 7 | Resident of the state of Indiana, US |
| 34% | TRENT | 5 | River upon which Nottingham stands |
| 34% | WENSUM | 6 | River upon which Norwich stands |
| 34% | TIBER | 5 | River upon which Rome stands |
| 34% | THAMES | 6 | River upon which London stands |
| 34% | OSAGE | 5 | — River, tributary of the Missouri River, US, which flows into the Lake of the Ozarks reservoir |
| 34% | TONE | 4 | River upon which Taunton, Somerset, stands |
| 34% | TIBER | 5 | River upon which Rome, Italy, stands |
| 34% | EXE | 3 | River upon which Exeter, Devon, stands |
| 34% | DAUGAVA | 7 | River upon which Riga, Latvia, stands |
| 33% | MARYORR | 7 | Writer of the story upon which "All About Eve" is based |
| 33% | TIBER | 5 | River upon which Rome, Italy stands |