| San Severino Marche to Olivenza | 1,100.50 mi (1,771.09 km) |
| San Severino Marche to Olot | 547.08 mi (880.44 km) |
| San Severino Marche to Onate | 785.27 mi (1,263.78 km) |
| San Severino Marche to Onda | 729.29 mi (1,173.68 km) |
| San Severino Marche to Onteniente | 779.13 mi (1,253.90 km) |
| San Severino Marche to Orihuela | 819.75 mi (1,319.26 km) |
| San Severino Marche to Osuna | 1,046.48 mi (1,684.15 km) |
| San Severino Marche to Ourense | 1,065.92 mi (1,715.44 km) |
| San Severino Marche to Oviedo | 954.56 mi (1,536.22 km) |
| San Severino Marche to Paiporta | 751.62 mi (1,209.61 km) |
| San Severino Marche to Pajara | 1,828.92 mi (2,943.36 km) |
| San Severino Marche to Palafolls | 542.00 mi (872.26 km) |
| San Severino Marche to Palafrugell | 517.19 mi (832.34 km) |
| San Severino Marche to Palamos | 520.07 mi (836.97 km) |
| San Severino Marche to Palencia | 902.59 mi (1,452.58 km) |
