| Cassino to Novi di Modena | 277.06 mi (445.88 km) |
| Cassino to Novi Ligure | 339.72 mi (546.73 km) |
| Cassino to Nuoro | 248.76 mi (400.34 km) |
| Cassino to Occhiobello | 262.18 mi (421.93 km) |
| Cassino to Oderzo | 303.26 mi (488.05 km) |
| Cassino to Oggiono | 371.13 mi (597.27 km) |
| Cassino to Olbia | 228.80 mi (368.21 km) |
| Cassino to Oleggio | 384.61 mi (618.98 km) |
| Cassino to Olgiate Comasco | 382.98 mi (616.35 km) |
| Cassino to Olgiate Olona | 377.96 mi (608.26 km) |
| Cassino to Omegna | 406.01 mi (653.41 km) |
| Cassino to Opera | 354.32 mi (570.22 km) |
| Cassino to Oppeano | 294.29 mi (473.62 km) |
| Cassino to Orbassano | 398.69 mi (641.64 km) |
| Cassino to Orbetello | 149.45 mi (240.52 km) |
