| Best to Olivenza | 1,072.67 mi (1,726.29 km) |
| Best to Olot | 659.32 mi (1,061.07 km) |
| Best to Onate | 690.38 mi (1,111.05 km) |
| Best to Onda | 843.10 mi (1,356.84 km) |
| Best to Onteniente | 923.84 mi (1,486.78 km) |
| Best to Orihuela | 977.85 mi (1,573.70 km) |
| Best to Osuna | 1,112.23 mi (1,789.97 km) |
| Best to Ourense | 888.46 mi (1,429.84 km) |
| Best to Oviedo | 768.88 mi (1,237.39 km) |
| Best to Paiporta | 880.84 mi (1,417.58 km) |
| Best to Pajara | 1,891.98 mi (3,044.85 km) |
| Best to Palafolls | 691.80 mi (1,113.35 km) |
| Best to Palafrugell | 671.57 mi (1,080.79 km) |
| Best to Palamos | 676.72 mi (1,089.08 km) |
| Best to Palencia | 805.81 mi (1,296.82 km) |
