| Firminy to Obernburg am Main | 381.58 mi (614.09 km) |
| Firminy to Obernkirchen | 523.29 mi (842.16 km) |
| Firminy to Oberschleissheim | 396.70 mi (638.42 km) |
| Firminy to Oberstdorf | 317.73 mi (511.34 km) |
| Firminy to Obertraubling | 444.68 mi (715.65 km) |
| Firminy to Obertshausen | 386.02 mi (621.24 km) |
| Firminy to Oberursel | 387.57 mi (623.74 km) |
| Firminy to Ochsenfurt | 399.07 mi (642.23 km) |
| Firminy to Ochsenhausen | 325.85 mi (524.41 km) |
| Firminy to Ochtrup | 489.12 mi (787.16 km) |
| Firminy to Odenthal | 411.15 mi (661.68 km) |
| Firminy to Oelde | 478.83 mi (770.61 km) |
| Firminy to Oelsnitz | 503.40 mi (810.14 km) |
| Firminy to Oer-Erkenschwick | 452.80 mi (728.72 km) |
| Firminy to Oerlinghausen | 496.29 mi (798.70 km) |
