| Cities | Distance |
|---|---|
| Alton to Olivares | 982.13 mi (1,580.59 km) |
| Alton to Olivenza | 911.01 mi (1,466.13 km) |
| Alton to Olot | 640.83 mi (1,031.32 km) |
| Alton to Onate | 564.84 mi (909.02 km) |
| Alton to Onda | 773.73 mi (1,245.19 km) |
| Alton to Onteniente | 851.94 mi (1,371.07 km) |
| Alton to Orihuela | 902.65 mi (1,452.67 km) |
| Alton to Osuna | 982.59 mi (1,581.32 km) |
| Alton to Ourense | 690.03 mi (1,110.49 km) |
| Alton to Oviedo | 584.31 mi (940.36 km) |
| Alton to Paiporta | 810.36 mi (1,304.15 km) |
| Alton to Pajara | 1,716.63 mi (2,762.64 km) |
| Alton to Palafolls | 678.46 mi (1,091.87 km) |
| Alton to Palafrugell | 667.28 mi (1,073.88 km) |
| Alton to Palamos | 671.57 mi (1,080.79 km) |