| 100% | TONE | 4 | River upon which Taunton, Somerset, stands |
| 63% | TIBER | 5 | River upon which Rome, Italy stands |
| 63% | TIBER | 5 | River upon which Rome, Italy, stands |
| 63% | ITCHEN | 6 | River upon which Winchester, Hampshire stands |
| 63% | EXE | 3 | River upon which Exeter, Devon, stands |
| 63% | DAUGAVA | 7 | River upon which Riga, Latvia, stands |
| 63% | THAMES | 6 | River upon which London stands |
| 63% | TRENT | 5 | River upon which Nottingham stands |
| 63% | WENSUM | 6 | River upon which Norwich stands |
| 63% | TIBER | 5 | River upon which Rome stands |
| 62% | NIDD | 4 | River upon which Knaresborough, North Yorkshire, stands |
| 61% | GARONNE | 7 | River upon which Toulouse and Bordeaux, France, stand |
| 58% | RHINE | 5 | European river upon which Basel, Strasbourg and Cologne stand |
| 58% | SAVANNAH | 8 | US river upon which Augusta, Georgia, stands |
| 57% | KAMA | 4 | Russian river upon which the cities of Perm and Solikamsk stand |
| 57% | KAMA | 4 | Tributary of the Volga River upon which Perm and Solikamsk stand |
| 55% | KUBAN | 5 | Russian river upon which the cities of Armavir and Temryuk, Krasnodar Krai, stand |
| 51% | FOWEY | 5 | River in Cornwall upon which Lostwithiel stands |
| 51% | WARTA | 5 | River in Poland upon which Poznan stands |
| 51% | CAMEL | 5 | River in Cornwall upon which Wadebridge stands |
| 51% | FORTH | 5 | River in Scotland upon which Stirling stands |
| 50% | WURM | 4 | River in Germany upon which Aachen and Geilenkirchen stand |
| 49% | USK | 3 | River in SE Wales upon which Newport stands |
| 49% | ISAR | 4 | River rising in Austria upon which Munich stands |
| 49% | USK | 3 | River in southeast Wales upon which Newport stands |
| 49% | TORRIDGE | 8 | River in North Devon upon which Bideford stands |
| 49% | BANN | 4 | River in Northern Ireland upon which Coleraine stands |
| 48% | CREE | 4 | River in Scotland upon which Newton Stewart, Dumfries and Galloway, stands |
| 48% | CREE | 4 | River in Scotland upon which Newton Stewart, Dumfries and Galloway stands |
| 47% | WABASH | 6 | River of the US upon which Terre Haute, Indiana, stands |