| Olomouc to Obernburg am Main | 362.49 mi (583.38 km) |
| Olomouc to Obernkirchen | 399.10 mi (642.29 km) |
| Olomouc to Oberschleissheim | 274.17 mi (441.24 km) |
| Olomouc to Oberstdorf | 352.86 mi (567.88 km) |
| Olomouc to Obertraubling | 233.18 mi (375.26 km) |
| Olomouc to Obertshausen | 376.38 mi (605.72 km) |
| Olomouc to Oberursel | 388.11 mi (624.60 km) |
| Olomouc to Ochsenfurt | 321.47 mi (517.35 km) |
| Olomouc to Ochsenhausen | 348.21 mi (560.39 km) |
| Olomouc to Ochtrup | 473.57 mi (762.14 km) |
| Olomouc to Odenthal | 457.66 mi (736.54 km) |
| Olomouc to Oelde | 426.80 mi (686.87 km) |
| Olomouc to Oelsnitz | 232.77 mi (374.60 km) |
| Olomouc to Oer-Erkenschwick | 460.23 mi (740.67 km) |
| Olomouc to Oerlinghausen | 408.96 mi (658.16 km) |
