| Aalborg to Olivenza | 1,484.79 mi (2,389.54 km) |
| Aalborg to Olot | 1,078.21 mi (1,735.21 km) |
| Aalborg to Onate | 1,108.53 mi (1,784.01 km) |
| Aalborg to Onda | 1,266.07 mi (2,037.54 km) |
| Aalborg to Onteniente | 1,346.72 mi (2,167.33 km) |
| Aalborg to Orihuela | 1,400.77 mi (2,254.33 km) |
| Aalborg to Osuna | 1,532.58 mi (2,466.45 km) |
| Aalborg to Ourense | 1,282.21 mi (2,063.52 km) |
| Aalborg to Oviedo | 1,168.93 mi (1,881.21 km) |
| Aalborg to Paiporta | 1,303.76 mi (2,098.20 km) |
| Aalborg to Pajara | 2,301.54 mi (3,703.97 km) |
| Aalborg to Palafolls | 1,109.09 mi (1,784.91 km) |
| Aalborg to Palafrugell | 1,087.33 mi (1,749.90 km) |
| Aalborg to Palamos | 1,092.56 mi (1,758.30 km) |
| Aalborg to Palencia | 1,218.64 mi (1,961.21 km) |
