| Piran to Olivenza | 1,155.83 mi (1,860.12 km) |
| Piran to Olot | 597.81 mi (962.08 km) |
| Piran to Onate | 807.82 mi (1,300.06 km) |
| Piran to Onda | 798.75 mi (1,285.46 km) |
| Piran to Onteniente | 859.22 mi (1,382.78 km) |
| Piran to Orihuela | 905.14 mi (1,456.69 km) |
| Piran to Osuna | 1,120.74 mi (1,803.66 km) |
| Piran to Ourense | 1,085.50 mi (1,746.95 km) |
| Piran to Oviedo | 966.82 mi (1,555.94 km) |
| Piran to Paiporta | 826.33 mi (1,329.85 km) |
| Piran to Pajara | 1,918.17 mi (3,086.99 km) |
| Piran to Palafolls | 602.70 mi (969.96 km) |
| Piran to Palafrugell | 575.76 mi (926.60 km) |
| Piran to Palamos | 579.72 mi (932.97 km) |
| Piran to Palencia | 932.89 mi (1,501.34 km) |
