| 100% | STURT | 5 | Charles —, explorer who discovered the Darling River in Australia in 1829 |
| 47% | DESOTO | 6 | Hernando —, Spanish explorer who discovered the Mississippi River |
| 44% | CARTIER | 7 | Jacques —, French explorer who discovered the St Lawrence River, Canada |
| 41% | HENRYHUDSON | 11 | English explorer who discovered a large Canadian bay in the early 1600s: 2 wds. |
| 38% | DESOTO | 6 | Spanish explorer who discovered the Mississippi |
| 37% | CARTIER | 7 | Jacques —, French explorer who discovered St Lawrence River, Canada |
| 37% | HERSCHEL | 8 | William —, astronomer who discovered the planet Uranus in 1781 |
| 34% | SPEKE | 5 | John Hanning —, Devon-born explorer who discovered Lake Victoria in 1858 |
| 34% | LACHLAN | 7 | River in SE Australia; main tributary of the Murrumbidgee |
| 34% | JOHNSMITH | 9 | Explorer who fell for Pocahontas in the 1995 film |
| 33% | HARRIETTUBMAN | 13 | Spy who led the Combahee River Raid in the American Civil War |
| 33% | SHANE | 5 | ___ Watson, former cricketer from Australia who won the MVP award in multiple tournaments |
| 33% | ORD | 3 | River in Western Australia that flows north to the Timor Sea |
| 33% | PARSONS | 7 | Charles —, Irish engineer who invented the modern steam turbine in 1884 |
| 33% | WICKEDFROZEN | 12 | Like the Charles River in February, to a local? |
| 33% | PETER | 5 | & 25A Comedy actor who played the title role in ITV sitcom Mr Digby Darling |
| 32% | BURTON | 6 | Richard —, English explorer who, with John Speke, discovered Lake Tanganyika in 1858 |
| 32% | SWAN | 4 | River in SW Australia that flows to the Indian Ocean below Perth |
| 32% | SWAN | 4 | River in southwest Australia that flows to the Indian Ocean below Perth |
| 32% | WAGGAWAGGA | 10 | City in New South Wales, Australia, on the Murrumbidgee River |
| 32% | BOYER | 5 | Charles who starred in the 1938 drama "Algiers" |
| 32% | PARNELL | 7 | Charles Stewart —, 19th-century Irish nationalist who led the Irish Home Rule movement in the British Parliament |
| 32% | SKARSGARD | 9 | Stellan —, Swedish actor who played the title role in 2015 BBC TV drama series River |
| 32% | FREMANTLE | 9 | Seaport in Western Australia at the mouth of the Swan River |
| 31% | ORD | 3 | River in Western Australia that flows north to Cambridge Gulf and the Timor Sea |
| 31% | PERCY | 5 | Charles ___, character who tragically left the show in season 6 of "Grey's Anatomy" |
| 31% | BRONSON | 7 | Charles —, actor who played Paul Kersey in the Death Wish film series |
| 31% | MUNGO | 5 | & 18D Scottish explorer born in 1771 who published the volume Travels in the Interior Districts of Africa |
| 31% | ROALDAMUNDSEN | 13 | Norwegian explorer who led the first expedition to the South Pole in the early 1900s: 2 wds. |