| Aosta to Octeville | 495.57 mi (797.54 km) |
| Aosta to Oignies | 383.07 mi (616.50 km) |
| Aosta to Oissel | 382.51 mi (615.59 km) |
| Aosta to Olivet | 295.36 mi (475.34 km) |
| Aosta to Ollioules | 193.33 mi (311.13 km) |
| Aosta to Olonne-sur-Mer | 438.47 mi (705.65 km) |
| Aosta to Oloron-Sainte-Marie | 428.04 mi (688.86 km) |
| Aosta to Onet Village | 249.12 mi (400.92 km) |
| Aosta to Onnaing | 364.46 mi (586.54 km) |
| Aosta to Orange | 164.85 mi (265.30 km) |
| Aosta to Orchies | 377.52 mi (607.57 km) |
| Aosta to Orleans | 296.27 mi (476.81 km) |
| Aosta to Orly | 310.72 mi (500.06 km) |
| Aosta to Ormesson-sur-Marne | 307.60 mi (495.04 km) |
| Aosta to Orsay | 315.96 mi (508.48 km) |
