| Olomouc to Novi di Modena | 440.36 mi (708.69 km) |
| Olomouc to Novi Ligure | 518.72 mi (834.81 km) |
| Olomouc to Nuoro | 747.87 mi (1,203.58 km) |
| Olomouc to Occhiobello | 417.96 mi (672.65 km) |
| Olomouc to Oderzo | 343.93 mi (553.50 km) |
| Olomouc to Oggiono | 451.67 mi (726.90 km) |
| Olomouc to Olbia | 707.35 mi (1,138.38 km) |
| Olomouc to Oleggio | 486.72 mi (783.30 km) |
| Olomouc to Olgiate Comasco | 466.24 mi (750.34 km) |
| Olomouc to Olgiate Olona | 475.77 mi (765.67 km) |
| Olomouc to Omegna | 484.09 mi (779.07 km) |
| Olomouc to Opera | 474.26 mi (763.25 km) |
| Olomouc to Oppeano | 410.10 mi (660.00 km) |
| Olomouc to Orbassano | 553.92 mi (891.44 km) |
| Olomouc to Orbetello | 572.54 mi (921.41 km) |
