| Fiano Romano to Oegstgeest | 789.36 mi (1,270.35 km) |
| Fiano Romano to Oirschot | 730.53 mi (1,175.67 km) |
| Fiano Romano to Oisterwijk | 737.67 mi (1,187.17 km) |
| Fiano Romano to Oldebroek | 775.94 mi (1,248.76 km) |
| Fiano Romano to Oldenzaal | 749.41 mi (1,206.05 km) |
| Fiano Romano to Ommen | 770.79 mi (1,240.47 km) |
| Fiano Romano to Oosterend | 807.48 mi (1,299.51 km) |
| Fiano Romano to Oosterhout | 748.90 mi (1,205.23 km) |
| Fiano Romano to Oosterwolde | 802.80 mi (1,291.98 km) |
| Fiano Romano to Oostzaan | 795.13 mi (1,279.63 km) |
| Fiano Romano to Opmeer | 809.79 mi (1,303.23 km) |
| Fiano Romano to Oss | 741.80 mi (1,193.81 km) |
| Fiano Romano to Oud-Beijerland | 769.54 mi (1,238.46 km) |
| Fiano Romano to Oudenbosch | 753.49 mi (1,212.63 km) |
| Fiano Romano to Oudewater | 770.68 mi (1,240.28 km) |
