| Thornaby on Tees to Olivares | 1,206.31 mi (1,941.37 km) |
| Thornaby on Tees to Olivenza | 1,129.73 mi (1,818.13 km) |
| Thornaby on Tees to Olot | 872.32 mi (1,403.86 km) |
| Thornaby on Tees to Onate | 797.90 mi (1,284.10 km) |
| Thornaby on Tees to Onda | 1,009.63 mi (1,624.85 km) |
| Thornaby on Tees to Onteniente | 1,087.76 mi (1,750.58 km) |
| Thornaby on Tees to Orihuela | 1,138.29 mi (1,831.90 km) |
| Thornaby on Tees to Osuna | 1,210.46 mi (1,948.04 km) |
| Thornaby on Tees to Ourense | 895.44 mi (1,441.08 km) |
| Thornaby on Tees to Oviedo | 800.29 mi (1,287.94 km) |
| Thornaby on Tees to Paiporta | 1,046.24 mi (1,683.76 km) |
| Thornaby on Tees to Pajara | 1,921.35 mi (3,092.11 km) |
| Thornaby on Tees to Palafolls | 909.59 mi (1,463.84 km) |
| Thornaby on Tees to Palafrugell | 896.80 mi (1,443.26 km) |
| Thornaby on Tees to Palamos | 901.30 mi (1,450.50 km) |
