| Ustron to Olivenza | 1,481.63 mi (2,384.46 km) |
| Ustron to Olot | 938.18 mi (1,509.86 km) |
| Ustron to Onate | 1,107.37 mi (1,782.14 km) |
| Ustron to Onda | 1,146.93 mi (1,845.81 km) |
| Ustron to Onteniente | 1,214.44 mi (1,954.45 km) |
| Ustron to Orihuela | 1,263.52 mi (2,033.44 km) |
| Ustron to Osuna | 1,466.49 mi (2,360.09 km) |
| Ustron to Ourense | 1,368.49 mi (2,202.38 km) |
| Ustron to Oviedo | 1,244.57 mi (2,002.93 km) |
| Ustron to Paiporta | 1,178.08 mi (1,895.94 km) |
| Ustron to Pajara | 2,270.89 mi (3,654.65 km) |
| Ustron to Palafolls | 950.83 mi (1,530.21 km) |
| Ustron to Palafrugell | 923.55 mi (1,486.30 km) |
| Ustron to Palamos | 928.12 mi (1,493.67 km) |
| Ustron to Palencia | 1,236.01 mi (1,989.17 km) |
