| Hard to Arico el Nuevo | 1,936.92 mi (3,117.17 km) |
| Hard to Armilla | 983.43 mi (1,582.68 km) |
| Hard to Arnedo | 681.68 mi (1,097.06 km) |
| Hard to Arona | 1,948.85 mi (3,136.37 km) |
| Hard to Arrecife | 1,783.67 mi (2,870.54 km) |
| Hard to Arrigorriaga | 677.47 mi (1,090.28 km) |
| Hard to Arroyomolinos | 838.93 mi (1,350.13 km) |
| Hard to Arteijo | 926.65 mi (1,491.29 km) |
| Hard to Arucas | 1,903.48 mi (3,063.35 km) |
| Hard to Aspe | 822.61 mi (1,323.87 km) |
| Hard to Astorga | 842.79 mi (1,356.35 km) |
| Hard to Atarfe | 982.10 mi (1,580.53 km) |
| Hard to Avila | 853.72 mi (1,373.92 km) |
| Hard to Aviles | 800.81 mi (1,288.78 km) |
| Hard to Ayamonte | 1,121.31 mi (1,804.58 km) |
