| Fiano Romano to Octeville | 854.83 mi (1,375.71 km) |
| Fiano Romano to Oignies | 733.06 mi (1,179.75 km) |
| Fiano Romano to Oissel | 742.56 mi (1,195.03 km) |
| Fiano Romano to Olivet | 653.27 mi (1,051.33 km) |
| Fiano Romano to Ollioules | 349.58 mi (562.60 km) |
| Fiano Romano to Olonne-sur-Mer | 770.16 mi (1,239.46 km) |
| Fiano Romano to Oloron-Sainte-Marie | 673.85 mi (1,084.46 km) |
| Fiano Romano to Onet Village | 525.47 mi (845.67 km) |
| Fiano Romano to Onnaing | 711.26 mi (1,144.67 km) |
| Fiano Romano to Orange | 415.44 mi (668.58 km) |
| Fiano Romano to Orchies | 726.00 mi (1,168.39 km) |
| Fiano Romano to Orleans | 654.40 mi (1,053.16 km) |
| Fiano Romano to Orly | 670.69 mi (1,079.37 km) |
| Fiano Romano to Ormesson-sur-Marne | 667.38 mi (1,074.04 km) |
| Fiano Romano to Orsay | 676.05 mi (1,088.01 km) |
