| Howard to Argentona | 4,322.03 mi (6,955.64 km) |
| Howard to Arico el Nuevo | 4,008.12 mi (6,450.44 km) |
| Howard to Armilla | 4,243.34 mi (6,828.99 km) |
| Howard to Arnedo | 4,106.98 mi (6,609.55 km) |
| Howard to Arona | 4,003.01 mi (6,442.23 km) |
| Howard to Arrecife | 4,118.32 mi (6,627.79 km) |
| Howard to Arrigorriaga | 4,035.62 mi (6,494.71 km) |
| Howard to Arroyomolinos | 4,106.19 mi (6,608.27 km) |
| Howard to Arteijo | 3,792.83 mi (6,103.97 km) |
| Howard to Arucas | 4,058.39 mi (6,531.34 km) |
| Howard to Aspe | 4,319.55 mi (6,951.65 km) |
| Howard to Astorga | 3,928.94 mi (6,323.01 km) |
| Howard to Atarfe | 4,237.11 mi (6,818.97 km) |
| Howard to Avila | 4,057.25 mi (6,529.51 km) |
| Howard to Aviles | 3,895.02 mi (6,268.43 km) |
