| Retie to Olivenza | 1,050.20 mi (1,690.14 km) |
| Retie to Olot | 639.33 mi (1,028.91 km) |
| Retie to Onate | 667.99 mi (1,075.03 km) |
| Retie to Onda | 821.88 mi (1,322.69 km) |
| Retie to Onteniente | 902.66 mi (1,452.69 km) |
| Retie to Orihuela | 956.64 mi (1,539.56 km) |
| Retie to Osuna | 1,090.01 mi (1,754.20 km) |
| Retie to Ourense | 866.33 mi (1,394.22 km) |
| Retie to Oviedo | 746.60 mi (1,201.54 km) |
| Retie to Paiporta | 859.64 mi (1,383.46 km) |
| Retie to Pajara | 1,869.51 mi (3,008.69 km) |
| Retie to Palafolls | 672.13 mi (1,081.69 km) |
| Retie to Palafrugell | 652.21 mi (1,049.62 km) |
| Retie to Palamos | 657.34 mi (1,057.88 km) |
| Retie to Palencia | 783.34 mi (1,260.66 km) |
