| Boo to Argentona | 1,403.33 mi (2,258.45 km) |
| Boo to Arico el Nuevo | 2,702.95 mi (4,349.97 km) |
| Boo to Armilla | 1,814.11 mi (2,919.53 km) |
| Boo to Arnedo | 1,466.08 mi (2,359.42 km) |
| Boo to Arona | 2,713.66 mi (4,367.22 km) |
| Boo to Arrecife | 2,574.42 mi (4,143.12 km) |
| Boo to Arrigorriaga | 1,427.20 mi (2,296.86 km) |
| Boo to Arroyomolinos | 1,629.26 mi (2,622.04 km) |
| Boo to Arteijo | 1,579.78 mi (2,542.41 km) |
| Boo to Arucas | 2,680.25 mi (4,313.44 km) |
| Boo to Aspe | 1,674.05 mi (2,694.12 km) |
| Boo to Astorga | 1,557.11 mi (2,505.92 km) |
| Boo to Atarfe | 1,811.30 mi (2,915.00 km) |
| Boo to Avila | 1,626.32 mi (2,617.31 km) |
| Boo to Aviles | 1,489.83 mi (2,397.65 km) |
