| Prostejov to Obernburg am Main | 357.19 mi (574.84 km) |
| Prostejov to Obernkirchen | 398.10 mi (640.69 km) |
| Prostejov to Oberschleissheim | 265.70 mi (427.60 km) |
| Prostejov to Oberstdorf | 343.86 mi (553.39 km) |
| Prostejov to Obertraubling | 225.79 mi (363.38 km) |
| Prostejov to Obertshausen | 371.46 mi (597.80 km) |
| Prostejov to Oberursel | 383.40 mi (617.03 km) |
| Prostejov to Ochsenfurt | 315.81 mi (508.24 km) |
| Prostejov to Ochsenhausen | 340.04 mi (547.24 km) |
| Prostejov to Ochtrup | 471.75 mi (759.21 km) |
| Prostejov to Odenthal | 454.11 mi (730.81 km) |
| Prostejov to Oelde | 424.72 mi (683.52 km) |
| Prostejov to Oelsnitz | 229.25 mi (368.95 km) |
| Prostejov to Oer-Erkenschwick | 457.60 mi (736.44 km) |
| Prostejov to Oerlinghausen | 407.28 mi (655.45 km) |
