| Alpen to Olivenza | 1,106.75 mi (1,781.14 km) |
| Alpen to Olot | 675.96 mi (1,087.85 km) |
| Alpen to Onate | 722.27 mi (1,162.37 km) |
| Alpen to Onda | 865.35 mi (1,392.65 km) |
| Alpen to Onteniente | 945.76 mi (1,522.05 km) |
| Alpen to Orihuela | 999.86 mi (1,609.13 km) |
| Alpen to Osuna | 1,141.60 mi (1,837.23 km) |
| Alpen to Ourense | 928.11 mi (1,493.65 km) |
| Alpen to Oviedo | 807.47 mi (1,299.50 km) |
| Alpen to Paiporta | 902.91 mi (1,453.10 km) |
| Alpen to Pajara | 1,926.15 mi (3,099.84 km) |
| Alpen to Palafolls | 707.07 mi (1,137.92 km) |
| Alpen to Palafrugell | 685.67 mi (1,103.47 km) |
| Alpen to Palamos | 690.87 mi (1,111.85 km) |
| Alpen to Palencia | 840.17 mi (1,352.13 km) |
