| CHANG | The longest river of Asia (5) |
| KHANG | The longest river of Asia (5) |
| YANGTZE | The longest river of Asia; flows eastward from Tibet into the East China Sea (7) |
| TAGUS | The longest river of the Iberian Peninsula (5) |
| INDUS | The longest river of Pakistan (5) |
| SHANNON | What is the longest river of Ireland? (7) |
| DOURO | Third-longest river of the Iberian Peninsula, forming a 70-mile section of the border between Spain and Portugal (5) |
| ADIGE | Second-longest river of Italy after the Po, on which the cities of Trento and Verona are located (5) |
| NIGER | Third-longest river of Africa after the Nile and the Congo, rising in SE Guinea (5) |
| SEINE | Second- longest river of France, rising 30 kilometres northwest of Dijon and emptying into the English Channel near Le Havre (5) |
| TWEED | Fourth-longest river of Scotland, forming a 17-mile stretch of the border with England (5) |
| LOIRE | Longest river of France, rising in the Massif Central and flowing generally northwest to the Atlantic at St-Nazaire (5) |
| TRENT | Third-longest river of the UK (5) |
| TIBER | Third- longest river of Italy, flowing generally south from Mount Fumaiolo to the Tyrrhenian Sea (5) |
| CONGO | Second-longest river of Africa, formerly known as the Zaire (5) |
| VOLGA | Longest river of Europe, situated entirely within Russia (5) |
| YUKON | Third-longest river of North America (5) |
| HUANG | Second-longest river of China |
| STOUR | Flowing through Sturminster Newton and the Blackmore Vale, the longest river in Dorset (5) |
| GANGES | River of Asia that enters the Bay of Bengal in a great delta (6) |
