| Castleton to Argentona | 858.00 mi (1,380.82 km) |
| Castleton to Arico el Nuevo | 1,899.56 mi (3,057.05 km) |
| Castleton to Armilla | 1,138.04 mi (1,831.50 km) |
| Castleton to Arnedo | 785.87 mi (1,264.74 km) |
| Castleton to Arona | 1,909.07 mi (3,072.35 km) |
| Castleton to Arrecife | 1,796.13 mi (2,890.59 km) |
| Castleton to Arrigorriaga | 718.12 mi (1,155.71 km) |
| Castleton to Arroyomolinos | 924.12 mi (1,487.23 km) |
| Castleton to Arteijo | 767.03 mi (1,234.42 km) |
| Castleton to Arucas | 1,885.98 mi (3,035.19 km) |
| Castleton to Aspe | 1,055.44 mi (1,698.56 km) |
| Castleton to Astorga | 789.55 mi (1,270.65 km) |
| Castleton to Atarfe | 1,133.23 mi (1,823.75 km) |
| Castleton to Avila | 901.72 mi (1,451.18 km) |
| Castleton to Aviles | 713.78 mi (1,148.71 km) |
