| Answer | Crossword Clue |
|---|---|
| OREL | 150-mile Russian river. |
| ISERE | 150-mile river in France. |
| ISERE | 150-mile river into the Rhone. |
| ISERE | 150-mile French river to the Rhone. |
| DON | 1,300-mile Russian River. |
| LENA | 2,734-mile Russian river |
| URAL | 1,400-mile Russian river. |
| LENA | 2,700-mile-long Russian river |
| LENA | 2,779-mile-long Russian river |
