| Caltanissetta to Novi di Modena | 537.15 mi (864.46 km) |
| Caltanissetta to Novi Ligure | 572.11 mi (920.72 km) |
| Caltanissetta to Nuoro | 320.54 mi (515.85 km) |
| Caltanissetta to Occhiobello | 529.33 mi (851.88 km) |
| Caltanissetta to Oderzo | 578.49 mi (930.99 km) |
| Caltanissetta to Oggiono | 622.23 mi (1,001.38 km) |
| Caltanissetta to Olbia | 340.08 mi (547.30 km) |
| Caltanissetta to Oleggio | 626.35 mi (1,008.02 km) |
| Caltanissetta to Olgiate Comasco | 630.18 mi (1,014.18 km) |
| Caltanissetta to Olgiate Olona | 622.75 mi (1,002.22 km) |
| Caltanissetta to Omegna | 648.45 mi (1,043.58 km) |
| Caltanissetta to Opera | 600.05 mi (965.69 km) |
| Caltanissetta to Oppeano | 559.75 mi (900.83 km) |
| Caltanissetta to Orbassano | 619.73 mi (997.36 km) |
| Caltanissetta to Orbetello | 373.71 mi (601.43 km) |
