| Preston to Argentona | 875.37 mi (1,408.78 km) |
| Preston to Arico el Nuevo | 1,899.89 mi (3,057.58 km) |
| Preston to Armilla | 1,148.41 mi (1,848.18 km) |
| Preston to Arnedo | 797.97 mi (1,284.21 km) |
| Preston to Arona | 1,909.28 mi (3,072.70 km) |
| Preston to Arrecife | 1,798.59 mi (2,894.56 km) |
| Preston to Arrigorriaga | 729.07 mi (1,173.32 km) |
| Preston to Arroyomolinos | 933.91 mi (1,502.98 km) |
| Preston to Arteijo | 769.10 mi (1,237.75 km) |
| Preston to Arucas | 1,887.09 mi (3,036.97 km) |
| Preston to Aspe | 1,068.87 mi (1,720.19 km) |
| Preston to Astorga | 795.80 mi (1,280.72 km) |
| Preston to Atarfe | 1,143.51 mi (1,840.31 km) |
| Preston to Avila | 910.43 mi (1,465.19 km) |
| Preston to Aviles | 719.81 mi (1,158.43 km) |
