| Greenford to Argentona | 701.30 mi (1,128.64 km) |
| Greenford to Arico el Nuevo | 1,816.69 mi (2,923.68 km) |
| Greenford to Armilla | 1,006.33 mi (1,619.53 km) |
| Greenford to Arnedo | 648.72 mi (1,044.02 km) |
| Greenford to Arona | 1,826.84 mi (2,940.01 km) |
| Greenford to Arrecife | 1,701.52 mi (2,738.34 km) |
| Greenford to Arrigorriaga | 587.04 mi (944.74 km) |
| Greenford to Arroyomolinos | 796.47 mi (1,281.80 km) |
| Greenford to Arteijo | 683.63 mi (1,100.20 km) |
| Greenford to Arucas | 1,798.68 mi (2,894.70 km) |
| Greenford to Aspe | 911.17 mi (1,466.39 km) |
| Greenford to Astorga | 681.64 mi (1,096.99 km) |
| Greenford to Atarfe | 1,001.92 mi (1,612.43 km) |
| Greenford to Avila | 779.53 mi (1,254.54 km) |
| Greenford to Aviles | 608.47 mi (979.24 km) |
