| Ovar to Octeville | 693.54 mi (1,116.14 km) |
| Ovar to Oignies | 867.02 mi (1,395.34 km) |
| Ovar to Oissel | 752.26 mi (1,210.64 km) |
| Ovar to Olivet | 709.07 mi (1,141.15 km) |
| Ovar to Ollioules | 758.84 mi (1,221.23 km) |
| Ovar to Olonne-sur-Mer | 520.05 mi (836.94 km) |
| Ovar to Oloron-Sainte-Marie | 441.98 mi (711.31 km) |
| Ovar to Onet Village | 619.25 mi (996.59 km) |
| Ovar to Onnaing | 882.06 mi (1,419.55 km) |
| Ovar to Orange | 720.12 mi (1,158.92 km) |
| Ovar to Orchies | 875.07 mi (1,408.29 km) |
| Ovar to Orleans | 711.06 mi (1,144.34 km) |
| Ovar to Orly | 765.58 mi (1,232.08 km) |
| Ovar to Ormesson-sur-Marne | 772.48 mi (1,243.18 km) |
| Ovar to Orsay | 756.47 mi (1,217.42 km) |
