| Casoria to Olivenza | 1,143.48 mi (1,840.25 km) |
| Casoria to Olot | 616.68 mi (992.45 km) |
| Casoria to Onate | 869.83 mi (1,399.86 km) |
| Casoria to Onda | 767.80 mi (1,235.65 km) |
| Casoria to Onteniente | 802.51 mi (1,291.52 km) |
| Casoria to Orihuela | 834.70 mi (1,343.32 km) |
| Casoria to Osuna | 1,068.66 mi (1,719.84 km) |
| Casoria to Ourense | 1,145.84 mi (1,844.05 km) |
| Casoria to Oviedo | 1,043.51 mi (1,679.37 km) |
| Casoria to Paiporta | 782.82 mi (1,259.83 km) |
| Casoria to Pajara | 1,821.06 mi (2,930.71 km) |
| Casoria to Palafolls | 601.53 mi (968.08 km) |
| Casoria to Palafrugell | 580.97 mi (934.98 km) |
| Casoria to Palamos | 582.47 mi (937.39 km) |
| Casoria to Palencia | 976.28 mi (1,571.16 km) |
