| Caltanissetta to Olivenza | 1,151.28 mi (1,852.80 km) |
| Caltanissetta to Olot | 693.51 mi (1,116.09 km) |
| Caltanissetta to Onate | 947.40 mi (1,524.69 km) |
| Caltanissetta to Onda | 789.95 mi (1,271.31 km) |
| Caltanissetta to Onteniente | 801.42 mi (1,289.76 km) |
| Caltanissetta to Orihuela | 819.70 mi (1,319.18 km) |
| Caltanissetta to Osuna | 1,050.67 mi (1,690.89 km) |
| Caltanissetta to Ourense | 1,205.39 mi (1,939.89 km) |
| Caltanissetta to Oviedo | 1,119.44 mi (1,801.57 km) |
| Caltanissetta to Paiporta | 793.92 mi (1,277.68 km) |
| Caltanissetta to Pajara | 1,742.95 mi (2,805.01 km) |
| Caltanissetta to Palafolls | 667.29 mi (1,073.89 km) |
| Caltanissetta to Palafrugell | 654.46 mi (1,053.26 km) |
| Caltanissetta to Palamos | 654.06 mi (1,052.60 km) |
| Caltanissetta to Palencia | 1,033.66 mi (1,663.52 km) |
