| Goes to Olivenza | 1,032.32 mi (1,661.35 km) |
| Goes to Olot | 647.13 mi (1,041.45 km) |
| Goes to Onate | 654.75 mi (1,053.72 km) |
| Goes to Onda | 821.53 mi (1,322.12 km) |
| Goes to Onteniente | 902.41 mi (1,452.29 km) |
| Goes to Orihuela | 956.09 mi (1,538.67 km) |
| Goes to Osuna | 1,079.08 mi (1,736.60 km) |
| Goes to Ourense | 839.47 mi (1,351.00 km) |
| Goes to Oviedo | 721.96 mi (1,161.88 km) |
| Goes to Paiporta | 859.37 mi (1,383.02 km) |
| Goes to Pajara | 1,850.57 mi (2,978.21 km) |
| Goes to Palafolls | 681.35 mi (1,096.52 km) |
| Goes to Palafrugell | 662.96 mi (1,066.94 km) |
| Goes to Palamos | 667.99 mi (1,075.02 km) |
| Goes to Palencia | 765.70 mi (1,232.28 km) |
