| Rive-de-Gier to Oestrich-Winkel | 346.46 mi (557.58 km) |
| Rive-de-Gier to Offenburg | 256.09 mi (412.14 km) |
| Rive-de-Gier to Oftersheim | 323.64 mi (520.84 km) |
| Rive-de-Gier to Ohrdruf | 461.65 mi (742.95 km) |
| Rive-de-Gier to Ohringen | 341.24 mi (549.17 km) |
| Rive-de-Gier to Olbernhau | 535.80 mi (862.29 km) |
| Rive-de-Gier to Olching | 366.17 mi (589.30 km) |
| Rive-de-Gier to Oldenburg | 550.29 mi (885.60 km) |
| Rive-de-Gier to Oldenburg in Holstein | 666.42 mi (1,072.49 km) |
| Rive-de-Gier to Olfen | 445.69 mi (717.27 km) |
| Rive-de-Gier to Olpe | 406.87 mi (654.79 km) |
| Rive-de-Gier to Olsberg | 439.33 mi (707.03 km) |
| Rive-de-Gier to Oranienburg | 632.32 mi (1,017.63 km) |
| Rive-de-Gier to Ortenberg | 391.50 mi (630.06 km) |
| Rive-de-Gier to Oschatz | 556.61 mi (895.78 km) |
