| Castelginest to Novi di Modena | 475.24 mi (764.83 km) |
| Castelginest to Novi Ligure | 371.28 mi (597.52 km) |
| Castelginest to Nuoro | 467.65 mi (752.60 km) |
| Castelginest to Occhiobello | 508.54 mi (818.42 km) |
| Castelginest to Oderzo | 561.13 mi (903.06 km) |
| Castelginest to Oggiono | 414.30 mi (666.75 km) |
| Castelginest to Olbia | 454.42 mi (731.33 km) |
| Castelginest to Oleggio | 377.50 mi (607.53 km) |
| Castelginest to Olgiate Comasco | 396.75 mi (638.50 km) |
| Castelginest to Olgiate Olona | 389.71 mi (627.18 km) |
| Castelginest to Omegna | 373.65 mi (601.34 km) |
| Castelginest to Opera | 400.54 mi (644.60 km) |
| Castelginest to Oppeano | 492.85 mi (793.17 km) |
| Castelginest to Orbassano | 314.86 mi (506.71 km) |
| Castelginest to Orbetello | 500.89 mi (806.10 km) |
