| 100% | SWALE | 5 | River in North Yorkshire that joins the Ure to form the Ouse |
| 62% | URE | 3 | River of North Yorkshire that flows to the Swale to form the Ouse |
| 53% | MARICO | 6 | River that joins the Crocodile to form the Limpopo |
| 48% | ADIGE | 5 | River in North Italy that flows to the Adriatic via Verona |
| 48% | RIPON | 5 | Cathedral city in North Yorkshire on the River Ure |
| 48% | DEE | 3 | River in North Wales and Cheshire that flows to the Irish Sea |
| 46% | UGIE | 4 | River in Scotland that flows to the North Sea at Peterhead |
| 46% | WESER | 5 | River in Germany that flows to the North Sea at Bremerhaven |
| 46% | ORD | 3 | River in Western Australia that flows north to the Timor Sea |
| 46% | SHENANDOAH | 10 | River formed in Virginia, US, that joins the Potomac at Harpers Ferry, West Virginia |
| 46% | ELBE | 4 | River in central Europe that flows to the North Sea at Hamburg |
| 45% | TYNE | 4 | River in N England that flows to the North Sea at South Shields |
| 45% | ORD | 3 | River in Western Australia that flows north to Cambridge Gulf and the Timor Sea |
| 44% | SELBY | 5 | Market town in North Yorkshire on the River Ouse housing an 11th-century abbey |
| 44% | XINGU | 5 | River in Brazil that rises on the Mato Grosso plateau before flowing north to the Amazon delta |
| 43% | TALLAHATCHIE | 12 | River rising in Mississippi, US, that converges with the Yalobusha at Greenwood to form the Yazoo |
| 43% | SAONE | 5 | River in E France that joins the Rhone at Lyon |
| 43% | SAAR | 4 | River rising in the Vosges Mountains that flows north to the Moselle River in Germany |
| 42% | WHARFE | 6 | Tributary of the River Ouse in West and North Yorkshire upon which Ilkley stands |
| 42% | VAAL | 4 | River in South Africa that joins the Orange River west of Kimberley |
| 41% | SAAR | 4 | River rising in the Vosges Mountains that flows north to the Moselle in Germany |
| 41% | DON | 3 | River that rises in the Cairngorm Mountains before flowing east to the North Sea |
| 41% | NEISSE | 6 | River rising in southwest Poland that joins the Odra near Brzeg |
| 41% | NEISSE | 6 | River rising in southwest Poland that joins the Oder near Brzeg |
| 41% | NEISSE | 6 | River rising in SW Poland that joins the Oder near Brzeg |
| 40% | NIAGARA | 7 | River in North America that flows from Lake Erie to Lake Ontario |
| 40% | SPEY | 4 | River in Scotland that flows through the Grampian Mountains to the Moray Firth |
| 40% | SCARBOROUGH | 11 | Coastal town in North Yorkshire home to the Stephen Joseph Theatre |
| 40% | CAM | 3 | River that flows through Cambridge to the River Ouse |
| 39% | JUMNA | 5 | River in N India also called the Yamuna that joins the Ganges at Allahabad |