| Firminy to Oestrich-Winkel | 362.32 mi (583.09 km) |
| Firminy to Offenburg | 273.51 mi (440.17 km) |
| Firminy to Oftersheim | 340.67 mi (548.26 km) |
| Firminy to Ohrdruf | 478.89 mi (770.71 km) |
| Firminy to Ohringen | 359.05 mi (577.84 km) |
| Firminy to Olbernhau | 554.04 mi (891.64 km) |
| Firminy to Olching | 384.89 mi (619.42 km) |
| Firminy to Oldenburg | 564.14 mi (907.90 km) |
| Firminy to Oldenburg in Holstein | 681.59 mi (1,096.91 km) |
| Firminy to Olfen | 459.51 mi (739.51 km) |
| Firminy to Olpe | 421.67 mi (678.61 km) |
| Firminy to Olsberg | 454.54 mi (731.52 km) |
| Firminy to Oranienburg | 649.49 mi (1,045.25 km) |
| Firminy to Ortenberg | 408.03 mi (656.66 km) |
| Firminy to Oschatz | 574.50 mi (924.56 km) |
