| Erquelinnes to Olivenza | 972.83 mi (1,565.61 km) |
| Erquelinnes to Olot | 566.94 mi (912.40 km) |
| Erquelinnes to Onate | 590.14 mi (949.74 km) |
| Erquelinnes to Onda | 745.88 mi (1,200.38 km) |
| Erquelinnes to Onteniente | 826.73 mi (1,330.49 km) |
| Erquelinnes to Orihuela | 880.63 mi (1,417.23 km) |
| Erquelinnes to Osuna | 1,012.11 mi (1,628.83 km) |
| Erquelinnes to Ourense | 792.26 mi (1,275.02 km) |
| Erquelinnes to Oviedo | 671.59 mi (1,080.82 km) |
| Erquelinnes to Paiporta | 783.69 mi (1,261.23 km) |
| Erquelinnes to Pajara | 1,792.22 mi (2,884.29 km) |
| Erquelinnes to Palafolls | 600.62 mi (966.60 km) |
| Erquelinnes to Palafrugell | 581.68 mi (936.13 km) |
| Erquelinnes to Palamos | 586.74 mi (944.27 km) |
| Erquelinnes to Palencia | 706.01 mi (1,136.22 km) |
