| Croydon to Olivares | 1,008.45 mi (1,622.95 km) |
| Croydon to Olivenza | 939.65 mi (1,512.22 km) |
| Croydon to Olot | 646.69 mi (1,040.74 km) |
| Croydon to Onate | 586.20 mi (943.40 km) |
| Croydon to Onda | 788.40 mi (1,268.81 km) |
| Croydon to Onteniente | 867.49 mi (1,396.09 km) |
| Croydon to Orihuela | 918.95 mi (1,478.91 km) |
| Croydon to Osuna | 1,007.01 mi (1,620.63 km) |
| Croydon to Ourense | 722.97 mi (1,163.50 km) |
| Croydon to Oviedo | 614.79 mi (989.41 km) |
| Croydon to Paiporta | 825.45 mi (1,328.43 km) |
| Croydon to Pajara | 1,748.33 mi (2,813.66 km) |
| Croydon to Palafolls | 683.96 mi (1,100.73 km) |
| Croydon to Palafrugell | 671.31 mi (1,080.37 km) |
| Croydon to Palamos | 675.78 mi (1,087.56 km) |
