| 100% | MURRAY | 6 | River rising in New South Wales, Australia, that flows into the sea at Encounter Bay |
| 54% | YSER | 4 | River rising in northern France that flows through Belgium into the North Sea at Nieuwpoort |
| 50% | NEWCASTLE | 9 | Harbour city in New South Wales, Australia at the mouth of the Hunter River |
| 49% | DNIEPER | 7 | River rising in Russia near Smolensk that flows south to the Black Sea |
| 48% | MURRUMBIDGEE | 12 | River rising in New South Wales, Australia, upon which Wagga Wagga stands |
| 48% | INDUS | 5 | River rising in SW Tibet that flows south-west across Pakistan to the Arabian Sea |
| 47% | STOUR | 5 | River in Kent that flows into the English Channel at Pegwell Bay |
| 46% | EMS | 3 | River rising in NW Germany that flows into the North Sea near Emden |
| 45% | WAGGAWAGGA | 10 | City in New South Wales, Australia, on the Murrumbidgee River |
| 44% | TYNE | 4 | River in N England that flows to the North Sea at South Shields |
| 44% | TEES | 4 | River that flows into the North Sea at Middlesbrough |
| 43% | DNIEPER | 7 | River rising in Russia near Smolensk which flows south to the Black Sea |
| 43% | POTOMAC | 7 | US river rising in West Virginia that flows into Chesapeake Bay |
| 42% | INDUS | 5 | River rising in SW Tibet that flows southwest across Pakistan to the Arabian Sea |
| 42% | SAINTMAURICE | 12 | River rising in Quebec, Canada, that flows to the St Lawrence at Trois-Rivieres |
| 42% | GODAVARI | 8 | River rising in Maharashtra, India sacred to Hindus that flows to the Bay of Bengal |
| 42% | DART | 4 | River in Devon that flows into the English Channel at Dartmouth |
| 41% | VOLGA | 5 | Longest river in Europe that flows into the Caspian Sea |
| 40% | ORD | 3 | River in Western Australia that flows north to the Timor Sea |
| 40% | PARRAMATTA | 10 | River flowing into Sydney Harbour, New South Wales, Australia |
| 40% | SAVA | 4 | River rising in Slovenia that flows to the Danube at Belgrade |
| 40% | TYNE | 4 | English river that flows to the North Sea at South Shields |
| 40% | UGIE | 4 | River in Scotland that flows to the North Sea at Peterhead |
| 40% | WESER | 5 | River in Germany that flows to the North Sea at Bremerhaven |
| 39% | ORD | 3 | River in Western Australia that flows north to Cambridge Gulf and the Timor Sea |
| 39% | DON | 3 | River that rises in the Cairngorm Mountains before flowing east to the North Sea |
| 39% | YSER | 4 | River that rises in France and reaches the North Sea at Belgium's Nieuwpoort |
| 39% | ELBE | 4 | River in central Europe that flows to the North Sea at Hamburg |
| 37% | LENA | 4 | River in Russia that rises in Siberia before flowing to the Laptev Sea |
| 37% | DRIN | 4 | River rising in Macedonia that flows through Albania to the Adriatic |