| Holt to Argentona | 4,241.80 mi (6,826.52 km) |
| Holt to Arico el Nuevo | 3,853.22 mi (6,201.16 km) |
| Holt to Armilla | 4,137.92 mi (6,659.33 km) |
| Holt to Arnedo | 4,021.31 mi (6,471.67 km) |
| Holt to Arona | 3,847.56 mi (6,192.05 km) |
| Holt to Arrecife | 3,970.63 mi (6,390.11 km) |
| Holt to Arrigorriaga | 3,952.19 mi (6,360.43 km) |
| Holt to Arroyomolinos | 4,010.68 mi (6,454.57 km) |
| Holt to Arteijo | 3,700.80 mi (5,955.87 km) |
| Holt to Arucas | 3,904.97 mi (6,284.45 km) |
| Holt to Aspe | 4,223.08 mi (6,796.38 km) |
| Holt to Astorga | 3,837.63 mi (6,176.06 km) |
| Holt to Atarfe | 4,131.80 mi (6,649.49 km) |
| Holt to Avila | 3,961.75 mi (6,375.81 km) |
| Holt to Aviles | 3,808.02 mi (6,128.41 km) |
