| Adra to Octeville | 892.50 mi (1,436.34 km) |
| Adra to Oignies | 993.76 mi (1,599.30 km) |
| Adra to Oissel | 894.19 mi (1,439.06 km) |
| Adra to Olivet | 807.66 mi (1,299.80 km) |
| Adra to Ollioules | 643.86 mi (1,036.19 km) |
| Adra to Olonne-sur-Mer | 679.32 mi (1,093.26 km) |
| Adra to Oloron-Sainte-Marie | 463.26 mi (745.54 km) |
| Adra to Onet Village | 602.75 mi (970.04 km) |
| Adra to Onnaing | 997.91 mi (1,605.99 km) |
| Adra to Orange | 655.15 mi (1,054.37 km) |
| Adra to Orchies | 997.90 mi (1,605.97 km) |
| Adra to Orleans | 810.30 mi (1,304.05 km) |
| Adra to Orly | 872.53 mi (1,404.20 km) |
| Adra to Ormesson-sur-Marne | 877.55 mi (1,412.29 km) |
| Adra to Orsay | 866.37 mi (1,394.29 km) |
