| Parma to Oberkirch | 278.91 mi (448.87 km) |
| Parma to Obernburg am Main | 352.52 mi (567.33 km) |
| Parma to Obernkirchen | 518.72 mi (834.80 km) |
| Parma to Oberschleissheim | 245.43 mi (394.98 km) |
| Parma to Oberstdorf | 180.22 mi (290.04 km) |
| Parma to Obertraubling | 300.52 mi (483.64 km) |
| Parma to Obertshausen | 370.42 mi (596.13 km) |
| Parma to Oberursel | 382.04 mi (614.84 km) |
| Parma to Ochsenfurt | 335.22 mi (539.49 km) |
| Parma to Ochsenhausen | 226.71 mi (364.85 km) |
| Parma to Ochtrup | 531.22 mi (854.92 km) |
| Parma to Odenthal | 455.42 mi (732.92 km) |
| Parma to Oelde | 495.99 mi (798.22 km) |
| Parma to Oelsnitz | 397.28 mi (639.36 km) |
| Parma to Oer-Erkenschwick | 493.30 mi (793.89 km) |
