| Alzano Lombardo to Octeville | 592.68 mi (953.83 km) |
| Alzano Lombardo to Oignies | 451.00 mi (725.81 km) |
| Alzano Lombardo to Oissel | 473.42 mi (761.90 km) |
| Alzano Lombardo to Olivet | 398.26 mi (640.94 km) |
| Alzano Lombardo to Ollioules | 262.15 mi (421.89 km) |
| Alzano Lombardo to Olonne-sur-Mer | 552.99 mi (889.95 km) |
| Alzano Lombardo to Oloron-Sainte-Marie | 538.49 mi (866.62 km) |
| Alzano Lombardo to Onet Village | 360.72 mi (580.52 km) |
| Alzano Lombardo to Onnaing | 428.24 mi (689.19 km) |
| Alzano Lombardo to Orange | 264.52 mi (425.71 km) |
| Alzano Lombardo to Orchies | 443.41 mi (713.60 km) |
| Alzano Lombardo to Orleans | 398.76 mi (641.75 km) |
| Alzano Lombardo to Orly | 401.91 mi (646.81 km) |
| Alzano Lombardo to Ormesson-sur-Marne | 397.51 mi (639.73 km) |
| Alzano Lombardo to Orsay | 408.71 mi (657.75 km) |
