| Fiano Romano to Oria | 285.33 mi (459.20 km) |
| Fiano Romano to Oristano | 260.80 mi (419.72 km) |
| Fiano Romano to Orta Nova | 170.46 mi (274.32 km) |
| Fiano Romano to Orte | 23.04 mi (37.08 km) |
| Fiano Romano to Ortona | 92.91 mi (149.53 km) |
| Fiano Romano to Orvieto | 45.56 mi (73.33 km) |
| Fiano Romano to Orzinuovi | 259.97 mi (418.38 km) |
| Fiano Romano to Osimo | 101.38 mi (163.16 km) |
| Fiano Romano to Ospitaletto | 265.79 mi (427.74 km) |
| Fiano Romano to Ostuni | 276.37 mi (444.78 km) |
| Fiano Romano to Ottaviano | 133.09 mi (214.18 km) |
| Fiano Romano to Ovada | 261.81 mi (421.34 km) |
| Fiano Romano to Ozieri | 216.12 mi (347.81 km) |
| Fiano Romano to Paceco | 289.06 mi (465.19 km) |
| Fiano Romano to Pachino | 399.44 mi (642.83 km) |
