| Keystone to Argentona | 4,716.92 mi (7,591.15 km) |
| Keystone to Arico el Nuevo | 3,971.41 mi (6,391.37 km) |
| Keystone to Armilla | 4,506.60 mi (7,252.67 km) |
| Keystone to Arnedo | 4,482.36 mi (7,213.66 km) |
| Keystone to Arona | 3,962.57 mi (6,377.15 km) |
| Keystone to Arrecife | 4,126.35 mi (6,640.73 km) |
| Keystone to Arrigorriaga | 4,425.44 mi (7,122.07 km) |
| Keystone to Arroyomolinos | 4,429.76 mi (7,129.01 km) |
| Keystone to Arteijo | 4,148.69 mi (6,676.68 km) |
| Keystone to Arucas | 4,029.59 mi (6,485.00 km) |
| Keystone to Aspe | 4,628.99 mi (7,449.64 km) |
| Keystone to Astorga | 4,282.47 mi (6,891.98 km) |
| Keystone to Atarfe | 4,501.24 mi (7,244.05 km) |
| Keystone to Avila | 4,382.95 mi (7,053.68 km) |
| Keystone to Aviles | 4,272.43 mi (6,875.81 km) |
