| Grays to Argentona | 692.32 mi (1,114.18 km) |
| Grays to Arico el Nuevo | 1,829.99 mi (2,945.08 km) |
| Grays to Armilla | 1,008.43 mi (1,622.91 km) |
| Grays to Arnedo | 649.81 mi (1,045.77 km) |
| Grays to Arona | 1,840.25 mi (2,961.59 km) |
| Grays to Arrecife | 1,712.53 mi (2,756.05 km) |
| Grays to Arrigorriaga | 590.57 mi (950.43 km) |
| Grays to Arroyomolinos | 800.36 mi (1,288.05 km) |
| Grays to Arteijo | 698.74 mi (1,124.51 km) |
| Grays to Arucas | 1,811.12 mi (2,914.72 km) |
| Grays to Aspe | 908.72 mi (1,462.44 km) |
| Grays to Astorga | 691.42 mi (1,112.73 km) |
| Grays to Atarfe | 1,004.16 mi (1,616.04 km) |
| Grays to Avila | 785.13 mi (1,263.54 km) |
| Grays to Aviles | 619.23 mi (996.56 km) |
