| Sid to Arico el Nuevo | 2,273.26 mi (3,658.47 km) |
| Sid to Armilla | 1,304.34 mi (2,099.13 km) |
| Sid to Arnedo | 1,081.58 mi (1,740.63 km) |
| Sid to Arona | 2,285.82 mi (3,678.67 km) |
| Sid to Arrecife | 2,103.09 mi (3,384.60 km) |
| Sid to Arrigorriaga | 1,100.77 mi (1,771.51 km) |
| Sid to Arroyomolinos | 1,216.91 mi (1,958.43 km) |
| Sid to Arteijo | 1,372.96 mi (2,209.56 km) |
| Sid to Arucas | 2,231.65 mi (3,591.50 km) |
| Sid to Aspe | 1,128.53 mi (1,816.20 km) |
| Sid to Astorga | 1,269.74 mi (2,043.45 km) |
| Sid to Atarfe | 1,305.09 mi (2,100.34 km) |
| Sid to Avila | 1,244.50 mi (2,002.83 km) |
| Sid to Aviles | 1,242.10 mi (1,998.97 km) |
| Sid to Ayamonte | 1,481.06 mi (2,383.53 km) |
