| 100% | RHONE | 5 | River rising in the Swiss Alps upon which Avignon, France, stands |
| 56% | SCHELDT | 7 | River rising in northeast France upon which Antwerp stands |
| 49% | ISAR | 4 | River rising in Austria upon which Munich stands |
| 47% | MURRUMBIDGEE | 12 | River rising in New South Wales, Australia, upon which Wagga Wagga stands |
| 44% | ISERE | 5 | River rising in the Graian Alps |
| 44% | AARE | 4 | River rising in the Bernese Alps |
| 44% | RHINE | 5 | River originating in the Swiss Alps |
| 43% | ISERE | 5 | French river rising in the Alps |
| 40% | AAR | 3 | River that rises in the Bernese Alps |
| 39% | DNIEPER | 7 | River rising in Russia near Smolensk which flows south to the Black Sea |
| 39% | PIAVE | 5 | River rising in the Carnic Alps in NE Italy that flows past Belluno to the Gulf of Venice |
| 39% | WHARFE | 6 | Tributary of the River Ouse in West and North Yorkshire upon which Ilkley stands |
| 38% | YSER | 4 | River rising in northern France that flows through Belgium into the North Sea at Nieuwpoort |
| 37% | SUWANNEE | 8 | US river rising in the Okefenokee Swamp on the Georgia-Florida border which flows to the Gulf of Mexico |
| 37% | RHINE | 5 | German river that starts in the Swiss Alps |
| 37% | GARONNE | 7 | River upon which Toulouse and Bordeaux, France, stand |
| 37% | SARINE | 6 | Swiss river in the Bernese Alps, also called Saane |
| 37% | RHONE | 5 | River sourced by a glacier in the Swiss Alps |
| 37% | RHONE | 5 | French river that rises in the Alps |
| 37% | AAR | 3 | 183 mile long Swiss river that rises in the Bernese Alps and has more than 40 hydroelectric plants along its length |
| 36% | MARNE | 5 | River in France which is a tributary of the Seine |
| 36% | EBRO | 4 | River rising in the Cantabrian Mountains |
| 36% | PLATTE | 6 | — River, tributary of the Missouri in Nebraska, US, upon which Fremont stands |
| 36% | WARTA | 5 | River in Poland upon which Poznan stands |
| 36% | FOWEY | 5 | River in Cornwall upon which Lostwithiel stands |
| 36% | CAMEL | 5 | River in Cornwall upon which Wadebridge stands |
| 36% | FORTH | 5 | River in Scotland upon which Stirling stands |
| 36% | YODEL | 5 | Sing in the Swiss Alps |
| 35% | YODELED | 7 | Sang songs in the Swiss Alps |
| 35% | PLATTE | 6 | — River, tributary of the Missouri in Nebraska, US, upon which Lexington and Fremont stand |