| Uxbridge to Olivares | 1,014.35 mi (1,632.44 km) |
| Uxbridge to Olivenza | 944.09 mi (1,519.36 km) |
| Uxbridge to Olot | 661.46 mi (1,064.51 km) |
| Uxbridge to Onate | 594.71 mi (957.09 km) |
| Uxbridge to Onda | 800.02 mi (1,287.51 km) |
| Uxbridge to Onteniente | 878.76 mi (1,414.24 km) |
| Uxbridge to Orihuela | 929.92 mi (1,496.55 km) |
| Uxbridge to Osuna | 1,014.00 mi (1,631.88 km) |
| Uxbridge to Ourense | 724.26 mi (1,165.59 km) |
| Uxbridge to Oviedo | 617.93 mi (994.46 km) |
| Uxbridge to Paiporta | 836.90 mi (1,346.87 km) |
| Uxbridge to Pajara | 1,750.64 mi (2,817.38 km) |
| Uxbridge to Palafolls | 698.86 mi (1,124.70 km) |
| Uxbridge to Palafrugell | 686.65 mi (1,105.06 km) |
| Uxbridge to Palamos | 691.07 mi (1,112.17 km) |
