| Prostejov to Oignies | 630.15 mi (1,014.13 km) |
| Prostejov to Oissel | 718.89 mi (1,156.93 km) |
| Prostejov to Olivet | 701.63 mi (1,129.17 km) |
| Prostejov to Ollioules | 691.91 mi (1,113.52 km) |
| Prostejov to Olonne-sur-Mer | 893.65 mi (1,438.18 km) |
| Prostejov to Oloron-Sainte-Marie | 946.84 mi (1,523.80 km) |
| Prostejov to Onet Village | 768.85 mi (1,237.35 km) |
| Prostejov to Onnaing | 603.47 mi (971.19 km) |
| Prostejov to Orange | 687.37 mi (1,106.22 km) |
| Prostejov to Orchies | 619.14 mi (996.41 km) |
| Prostejov to Orleans | 700.58 mi (1,127.48 km) |
| Prostejov to Orly | 666.53 mi (1,072.68 km) |
| Prostejov to Ormesson-sur-Marne | 659.51 mi (1,061.38 km) |
| Prostejov to Orsay | 676.30 mi (1,088.39 km) |
| Prostejov to Orthez | 942.76 mi (1,517.23 km) |
