| Key Largo to Argentona | 4,733.44 mi (7,617.73 km) |
| Key Largo to Arico el Nuevo | 3,906.06 mi (6,286.19 km) |
| Key Largo to Armilla | 4,497.09 mi (7,237.37 km) |
| Key Largo to Arnedo | 4,497.63 mi (7,238.24 km) |
| Key Largo to Arona | 3,896.58 mi (6,270.93 km) |
| Key Largo to Arrecife | 4,068.02 mi (6,546.85 km) |
| Key Largo to Arrigorriaga | 4,444.66 mi (7,153.00 km) |
| Key Largo to Arroyomolinos | 4,434.40 mi (7,136.48 km) |
| Key Largo to Arteijo | 4,164.40 mi (6,701.95 km) |
| Key Largo to Arucas | 3,965.01 mi (6,381.06 km) |
| Key Largo to Aspe | 4,627.86 mi (7,447.82 km) |
| Key Largo to Astorga | 4,295.73 mi (6,913.30 km) |
| Key Largo to Atarfe | 4,491.99 mi (7,229.16 km) |
| Key Largo to Avila | 4,388.71 mi (7,062.94 km) |
| Key Largo to Aviles | 4,291.05 mi (6,905.77 km) |
