| Prestatyn to Olivares | 1,107.40 mi (1,782.19 km) |
| Prestatyn to Olivenza | 1,026.95 mi (1,652.72 km) |
| Prestatyn to Olot | 816.82 mi (1,314.54 km) |
| Prestatyn to Onate | 712.94 mi (1,147.36 km) |
| Prestatyn to Onda | 935.38 mi (1,505.34 km) |
| Prestatyn to Onteniente | 1,011.19 mi (1,627.35 km) |
| Prestatyn to Orihuela | 1,059.85 mi (1,705.66 km) |
| Prestatyn to Osuna | 1,115.21 mi (1,794.76 km) |
| Prestatyn to Ourense | 786.90 mi (1,266.39 km) |
| Prestatyn to Oviedo | 697.87 mi (1,123.12 km) |
| Prestatyn to Paiporta | 970.89 mi (1,562.49 km) |
| Prestatyn to Pajara | 1,809.71 mi (2,912.44 km) |
| Prestatyn to Palafolls | 854.66 mi (1,375.45 km) |
| Prestatyn to Palafrugell | 844.96 mi (1,359.84 km) |
| Prestatyn to Palamos | 849.09 mi (1,366.47 km) |
