| Avon to Oignies | 142.86 mi (229.92 km) |
| Avon to Oissel | 98.31 mi (158.22 km) |
| Avon to Olivet | 53.51 mi (86.11 km) |
| Avon to Ollioules | 393.86 mi (633.86 km) |
| Avon to Olonne-sur-Mer | 246.66 mi (396.96 km) |
| Avon to Oloron-Sainte-Marie | 394.33 mi (634.61 km) |
| Avon to Onet Village | 279.44 mi (449.71 km) |
| Avon to Onnaing | 142.25 mi (228.93 km) |
| Avon to Orange | 311.38 mi (501.12 km) |
| Avon to Orchies | 144.63 mi (232.75 km) |
| Avon to Orleans | 51.37 mi (82.67 km) |
| Avon to Orly | 27.68 mi (44.55 km) |
| Avon to Ormesson-sur-Marne | 27.40 mi (44.10 km) |
| Avon to Orsay | 31.68 mi (50.98 km) |
| Avon to Orthez | 379.11 mi (610.12 km) |
