| Reston to Argentona | 4,050.88 mi (6,519.26 km) |
| Reston to Arico el Nuevo | 3,515.87 mi (5,658.24 km) |
| Reston to Armilla | 3,897.26 mi (6,272.03 km) |
| Reston to Arnedo | 3,821.79 mi (6,150.58 km) |
| Reston to Arona | 3,509.13 mi (5,647.41 km) |
| Reston to Arrecife | 3,646.76 mi (5,868.89 km) |
| Reston to Arrigorriaga | 3,758.01 mi (6,047.94 km) |
| Reston to Arroyomolinos | 3,791.35 mi (6,101.58 km) |
| Reston to Arteijo | 3,492.14 mi (5,620.06 km) |
| Reston to Arucas | 3,570.20 mi (5,745.68 km) |
| Reston to Aspe | 3,999.58 mi (6,436.70 km) |
| Reston to Astorga | 3,628.77 mi (5,839.95 km) |
| Reston to Atarfe | 3,891.41 mi (6,262.63 km) |
| Reston to Avila | 3,742.96 mi (6,023.71 km) |
| Reston to Aviles | 3,608.29 mi (5,806.98 km) |
