| Aci Catena to Novi di Modena | 549.60 mi (884.49 km) |
| Aci Catena to Novi Ligure | 594.25 mi (956.35 km) |
| Aci Catena to Nuoro | 363.67 mi (585.26 km) |
| Aci Catena to Occhiobello | 538.32 mi (866.34 km) |
| Aci Catena to Oderzo | 581.33 mi (935.56 km) |
| Aci Catena to Oggiono | 638.89 mi (1,028.19 km) |
| Aci Catena to Olbia | 378.47 mi (609.08 km) |
| Aci Catena to Oleggio | 646.26 mi (1,040.05 km) |
| Aci Catena to Olgiate Comasco | 648.30 mi (1,043.34 km) |
| Aci Catena to Olgiate Olona | 641.62 mi (1,032.60 km) |
| Aci Catena to Omegna | 668.30 mi (1,075.53 km) |
| Aci Catena to Opera | 618.42 mi (995.25 km) |
| Aci Catena to Oppeano | 569.80 mi (917.00 km) |
| Aci Catena to Orbassano | 645.43 mi (1,038.72 km) |
| Aci Catena to Orbetello | 393.39 mi (633.10 km) |
