| Colleferro to Novi di Modena | 242.85 mi (390.83 km) |
| Colleferro to Novi Ligure | 298.34 mi (480.13 km) |
| Colleferro to Nuoro | 215.48 mi (346.78 km) |
| Colleferro to Occhiobello | 231.79 mi (373.04 km) |
| Colleferro to Oderzo | 280.87 mi (452.02 km) |
| Colleferro to Oggiono | 334.26 mi (537.94 km) |
| Colleferro to Olbia | 190.98 mi (307.35 km) |
| Colleferro to Oleggio | 345.39 mi (555.85 km) |
| Colleferro to Olgiate Comasco | 345.08 mi (555.35 km) |
| Colleferro to Olgiate Olona | 339.40 mi (546.22 km) |
| Colleferro to Omegna | 367.08 mi (590.76 km) |
| Colleferro to Opera | 315.83 mi (508.28 km) |
| Colleferro to Oppeano | 262.98 mi (423.23 km) |
| Colleferro to Orbassano | 356.12 mi (573.12 km) |
| Colleferro to Orbetello | 104.59 mi (168.31 km) |
