| Aviano to Octeville | 702.70 mi (1,130.89 km) |
| Aviano to Oignies | 535.11 mi (861.17 km) |
| Aviano to Oissel | 579.52 mi (932.64 km) |
| Aviano to Olivet | 518.32 mi (834.16 km) |
| Aviano to Ollioules | 388.03 mi (624.48 km) |
| Aviano to Olonne-sur-Mer | 685.10 mi (1,102.56 km) |
| Aviano to Oloron-Sainte-Marie | 677.31 mi (1,090.03 km) |
| Aviano to Onet Village | 499.85 mi (804.43 km) |
| Aviano to Onnaing | 509.51 mi (819.98 km) |
| Aviano to Orange | 401.64 mi (646.37 km) |
| Aviano to Orchies | 525.90 mi (846.35 km) |
| Aviano to Orleans | 518.41 mi (834.29 km) |
| Aviano to Orly | 510.68 mi (821.86 km) |
| Aviano to Ormesson-sur-Marne | 505.25 mi (813.12 km) |
| Aviano to Orsay | 518.70 mi (834.77 km) |
