| Tirano to Octeville | 594.69 mi (957.06 km) |
| Tirano to Oignies | 441.14 mi (709.95 km) |
| Tirano to Oissel | 473.14 mi (761.45 km) |
| Tirano to Olivet | 405.39 mi (652.41 km) |
| Tirano to Ollioules | 300.39 mi (483.43 km) |
| Tirano to Olonne-sur-Mer | 569.13 mi (915.93 km) |
| Tirano to Oloron-Sainte-Marie | 568.28 mi (914.56 km) |
| Tirano to Onet Village | 389.60 mi (627.00 km) |
| Tirano to Onnaing | 417.16 mi (671.36 km) |
| Tirano to Orange | 297.81 mi (479.28 km) |
| Tirano to Orchies | 432.89 mi (696.67 km) |
| Tirano to Orleans | 405.63 mi (652.80 km) |
| Tirano to Orly | 402.67 mi (648.03 km) |
| Tirano to Ormesson-sur-Marne | 397.72 mi (640.07 km) |
| Tirano to Orsay | 410.13 mi (660.04 km) |
