| Catania to Novi di Modena | 555.12 mi (893.38 km) |
| Catania to Novi Ligure | 598.92 mi (963.86 km) |
| Catania to Nuoro | 365.50 mi (588.22 km) |
| Catania to Occhiobello | 544.11 mi (875.66 km) |
| Catania to Oderzo | 587.57 mi (945.60 km) |
| Catania to Oggiono | 644.09 mi (1,036.56 km) |
| Catania to Olbia | 381.04 mi (613.23 km) |
| Catania to Oleggio | 651.16 mi (1,047.95 km) |
| Catania to Olgiate Comasco | 653.37 mi (1,051.50 km) |
| Catania to Olgiate Olona | 646.63 mi (1,040.64 km) |
| Catania to Omegna | 673.22 mi (1,083.45 km) |
| Catania to Opera | 623.46 mi (1,003.37 km) |
| Catania to Oppeano | 575.52 mi (926.22 km) |
| Catania to Orbassano | 649.75 mi (1,045.67 km) |
| Catania to Orbetello | 398.18 mi (640.81 km) |
