| Ub to Olivenza | 1,452.21 mi (2,337.10 km) |
| Ub to Olot | 895.61 mi (1,441.35 km) |
| Ub to Onate | 1,123.01 mi (1,807.32 km) |
| Ub to Onda | 1,082.46 mi (1,742.06 km) |
| Ub to Onteniente | 1,132.41 mi (1,822.43 km) |
| Ub to Orihuela | 1,172.35 mi (1,886.71 km) |
| Ub to Osuna | 1,399.89 mi (2,252.90 km) |
| Ub to Ourense | 1,402.98 mi (2,257.89 km) |
| Ub to Oviedo | 1,286.71 mi (2,070.76 km) |
| Ub to Paiporta | 1,105.06 mi (1,778.42 km) |
| Ub to Pajara | 2,178.65 mi (3,506.19 km) |
| Ub to Palafolls | 893.20 mi (1,437.47 km) |
| Ub to Palafrugell | 867.73 mi (1,396.48 km) |
| Ub to Palamos | 870.89 mi (1,401.57 km) |
| Ub to Palencia | 1,244.91 mi (2,003.49 km) |
