| Tranent to Olivares | 1,288.77 mi (2,074.08 km) |
| Tranent to Olivenza | 1,207.67 mi (1,943.56 km) |
| Tranent to Olot | 981.57 mi (1,579.68 km) |
| Tranent to Onate | 892.43 mi (1,436.23 km) |
| Tranent to Onda | 1,111.06 mi (1,788.08 km) |
| Tranent to Onteniente | 1,187.98 mi (1,911.87 km) |
| Tranent to Orihuela | 1,237.45 mi (1,991.48 km) |
| Tranent to Osuna | 1,296.71 mi (2,086.85 km) |
| Tranent to Ourense | 965.48 mi (1,553.79 km) |
| Tranent to Oviedo | 878.90 mi (1,414.46 km) |
| Tranent to Paiporta | 1,147.11 mi (1,846.10 km) |
| Tranent to Pajara | 1,984.61 mi (3,193.92 km) |
| Tranent to Palafolls | 1,019.09 mi (1,640.07 km) |
| Tranent to Palafrugell | 1,007.23 mi (1,620.98 km) |
| Tranent to Palamos | 1,011.62 mi (1,628.05 km) |
