| 100% | HUELVA | 6 | City in SW Spain near the Portuguese border at the confluence of the Odiel and Tinto Rivers |
| 48% | KELSO | 5 | Market town in the Scottish Borders at the confluence of the Rivers Teviot and Tweed |
| 47% | MONMOUTH | 8 | Town in SE Wales near the border with England at the confluence of the Rivers Wye and Monnow |
| 47% | MONMOUTH | 8 | Town in southeast Wales near the border with England at the confluence of the Rivers Wye and Monnow |
| 45% | EASTON | 6 | City at the confluence of the Lehigh and Delaware rivers |
| 44% | DESSAU | 6 | Town in Germany at the confluence of the Elbe and Mulde rivers |
| 43% | PADUCAH | 7 | City in Kentucky, US, at the confluence of the Ohio and Tennessee Rivers |
| 43% | PARANA | 6 | River of South America formed at the confluence of the Paranaiba and Grande Rivers in Brazil |
| 43% | DESSAU | 6 | Town in Saxony-Anhalt, Germany, at the confluence of the Elbe and Mulde Rivers |
| 43% | PINSK | 5 | City in Belarus at the confluence of the Pina and Pripyat Rivers |
| 43% | OXFORD | 6 | City in England at the confluence of the Thames and Cherwell rivers |
| 43% | OMSK | 4 | City in Russia at the confluence of the Om and Irtysh Rivers |
| 43% | OXFORD | 6 | City in England at the confluence of the Rivers Thames and Cherwell |
| 43% | BAYONNE | 7 | Seaport in Pyrenees-Atlantiques, southwest France, at the confluence of the Adour and Nive rivers |
| 41% | MAINZ | 5 | Port in Germany at the confluence of the Rivers Rhine and Main |
| 41% | BURNLEY | 7 | Market town in Lancashire at the confluence of the Rivers Calder and Brun |
| 41% | STOCKPORT | 9 | Town in Greater Manchester at the confluence of the Rivers Goyt and Tame |
| 41% | LEOMINSTER | 10 | Market town in Herefordshire at the confluence of the Rivers Lugg and Kenwater |
| 39% | GOOLE | 5 | Inland port in the East Riding of Yorkshire at the confluence of the Rivers Ouse and Don |
| 38% | YORK | 4 | City at the confluence of the Ouse and Foss |
| 38% | SPANDAU | 7 | District of Berlin at the confluence of the Havel and Spree Rivers |
| 38% | YUMA | 4 | City near the confluence of the Colorado and Gila rivers |
| 38% | LYON | 4 | City at the juncture of the Rhone and Saone rivers |
| 38% | LYON | 4 | City at the confluence of the Rhône and Saône |
| 37% | YAZOO | 5 | River in Mississippi, US, formed by the confluence of the Tallahatchie and Yalobusha Rivers |
| 37% | SHATTALARAB | 11 | River in SE Iraq formed by the confluence of the Tigris and Euphrates Rivers |
| 35% | SAL | 3 | 482 mi. long river that flows into the Don and rises near the city of Elista in Kalmykia, Russia |
| 35% | MANNHEIM | 8 | Inland port of Baden-Wurttemberg, Germany at the confluence of the Rivers Neckar and Rhine |
| 34% | TOLEDO | 6 | City in central Spain on the River Tagus famous for steel and sword manufacture |
| 34% | LOGRONO | 7 | Walled city in N Spain on the Ebro River; capital of La Rioja |