| Answer | Crossword Clue |
|---|---|
| AAR | Longest river entirely within Switzerland |
| AARE | Longest river entirely within Switzerland |
| AARE | Longest river entirely in Switzerland |
| AAR | Longest river entirely in Switzerland |
| EBRO | Longest river entirely within Spain |
| EBRO | Longest river contained entirely within Spain |
| EBRO | The longest river entirely within Spain |
