| Avanos to Octeville | 1,935.55 mi (3,114.96 km) |
| Avanos to Oignies | 1,746.61 mi (2,810.89 km) |
| Avanos to Oissel | 1,811.26 mi (2,914.93 km) |
| Avanos to Olivet | 1,757.19 mi (2,827.93 km) |
| Avanos to Ollioules | 1,536.34 mi (2,472.49 km) |
| Avanos to Olonne-sur-Mer | 1,919.34 mi (3,088.88 km) |
| Avanos to Oloron-Sainte-Marie | 1,861.43 mi (2,995.68 km) |
| Avanos to Onet Village | 1,701.27 mi (2,737.93 km) |
| Avanos to Onnaing | 1,719.47 mi (2,767.22 km) |
| Avanos to Orange | 1,591.00 mi (2,560.47 km) |
| Avanos to Orchies | 1,736.09 mi (2,793.97 km) |
| Avanos to Orleans | 1,757.22 mi (2,827.97 km) |
| Avanos to Orly | 1,745.46 mi (2,809.05 km) |
| Avanos to Ormesson-sur-Marne | 1,739.53 mi (2,799.50 km) |
| Avanos to Orsay | 1,754.04 mi (2,822.86 km) |
