| Itri to Olivenza | 1,104.31 mi (1,777.22 km) |
| Itri to Olot | 572.43 mi (921.23 km) |
| Itri to Onate | 824.54 mi (1,326.98 km) |
| Itri to Onda | 728.50 mi (1,172.41 km) |
| Itri to Onteniente | 766.00 mi (1,232.76 km) |
| Itri to Orihuela | 799.92 mi (1,287.34 km) |
| Itri to Osuna | 1,033.09 mi (1,662.59 km) |
| Itri to Ourense | 1,101.40 mi (1,772.53 km) |
| Itri to Oviedo | 997.99 mi (1,606.11 km) |
| Itri to Paiporta | 744.83 mi (1,198.69 km) |
| Itri to Pajara | 1,792.79 mi (2,885.22 km) |
| Itri to Palafolls | 558.46 mi (898.75 km) |
| Itri to Palafrugell | 537.26 mi (864.64 km) |
| Itri to Palamos | 538.94 mi (867.34 km) |
| Itri to Palencia | 932.38 mi (1,500.52 km) |
