| Acerra to Olivenza | 1,147.00 mi (1,845.92 km) |
| Acerra to Olot | 619.37 mi (996.78 km) |
| Acerra to Onate | 872.29 mi (1,403.81 km) |
| Acerra to Onda | 771.29 mi (1,241.27 km) |
| Acerra to Onteniente | 806.31 mi (1,297.63 km) |
| Acerra to Orihuela | 838.66 mi (1,349.70 km) |
| Acerra to Osuna | 1,072.56 mi (1,726.12 km) |
| Acerra to Ourense | 1,148.51 mi (1,848.35 km) |
| Acerra to Oviedo | 1,045.91 mi (1,683.23 km) |
| Acerra to Paiporta | 786.47 mi (1,265.70 km) |
| Acerra to Pajara | 1,825.49 mi (2,937.85 km) |
| Acerra to Palafolls | 604.45 mi (972.77 km) |
| Acerra to Palafrugell | 583.77 mi (939.48 km) |
| Acerra to Palamos | 585.30 mi (941.95 km) |
| Acerra to Palencia | 979.06 mi (1,575.64 km) |
