| Birecik to Octeville | 2,142.30 mi (3,447.70 km) |
| Birecik to Oignies | 1,952.79 mi (3,142.72 km) |
| Birecik to Oissel | 2,018.01 mi (3,247.67 km) |
| Birecik to Olivet | 1,963.94 mi (3,160.66 km) |
| Birecik to Ollioules | 1,738.73 mi (2,798.21 km) |
| Birecik to Olonne-sur-Mer | 2,125.41 mi (3,420.52 km) |
| Birecik to Oloron-Sainte-Marie | 2,063.89 mi (3,321.51 km) |
| Birecik to Onet Village | 1,905.43 mi (3,066.49 km) |
| Birecik to Onnaing | 1,925.64 mi (3,099.02 km) |
| Birecik to Orange | 1,794.97 mi (2,888.73 km) |
| Birecik to Orchies | 1,942.25 mi (3,125.74 km) |
| Birecik to Orleans | 1,963.98 mi (3,160.72 km) |
| Birecik to Orly | 1,952.27 mi (3,141.88 km) |
| Birecik to Ormesson-sur-Marne | 1,946.33 mi (3,132.32 km) |
| Birecik to Orsay | 1,960.86 mi (3,155.70 km) |
