| Porcia to Olivenza | 1,121.71 mi (1,805.21 km) |
| Porcia to Olot | 566.08 mi (911.01 km) |
| Porcia to Onate | 766.77 mi (1,233.99 km) |
| Porcia to Onda | 770.71 mi (1,240.34 km) |
| Porcia to Onteniente | 834.27 mi (1,342.63 km) |
| Porcia to Orihuela | 881.76 mi (1,419.06 km) |
| Porcia to Osuna | 1,092.53 mi (1,758.26 km) |
| Porcia to Ourense | 1,042.62 mi (1,677.93 km) |
| Porcia to Oviedo | 922.75 mi (1,485.02 km) |
| Porcia to Paiporta | 799.81 mi (1,287.16 km) |
| Porcia to Pajara | 1,893.32 mi (3,047.00 km) |
| Porcia to Palafolls | 573.92 mi (923.63 km) |
| Porcia to Palafrugell | 546.70 mi (879.83 km) |
| Porcia to Palamos | 550.94 mi (886.65 km) |
| Porcia to Palencia | 893.04 mi (1,437.21 km) |
