| Huntingdon to Olivares | 1,070.68 mi (1,723.10 km) |
| Huntingdon to Olivenza | 999.93 mi (1,609.23 km) |
| Huntingdon to Olot | 712.46 mi (1,146.60 km) |
| Huntingdon to Onate | 651.12 mi (1,047.88 km) |
| Huntingdon to Onda | 854.96 mi (1,375.93 km) |
| Huntingdon to Onteniente | 933.97 mi (1,503.09 km) |
| Huntingdon to Orihuela | 985.34 mi (1,585.76 km) |
| Huntingdon to Osuna | 1,070.51 mi (1,722.82 km) |
| Huntingdon to Ourense | 778.14 mi (1,252.29 km) |
| Huntingdon to Oviedo | 673.18 mi (1,083.38 km) |
| Huntingdon to Paiporta | 891.98 mi (1,435.50 km) |
| Huntingdon to Pajara | 1,805.10 mi (2,905.03 km) |
| Huntingdon to Palafolls | 749.62 mi (1,206.40 km) |
| Huntingdon to Palafrugell | 736.55 mi (1,185.36 km) |
| Huntingdon to Palamos | 741.07 mi (1,192.63 km) |
