| Houghton le Spring to Argentona | 934.70 mi (1,504.25 km) |
| Houghton le Spring to Arico el Nuevo | 1,989.15 mi (3,201.23 km) |
| Houghton le Spring to Armilla | 1,226.53 mi (1,973.90 km) |
| Houghton le Spring to Arnedo | 872.72 mi (1,404.51 km) |
| Houghton le Spring to Arona | 1,998.59 mi (3,216.42 km) |
| Houghton le Spring to Arrecife | 1,886.74 mi (3,036.41 km) |
| Houghton le Spring to Arrigorriaga | 806.30 mi (1,297.61 km) |
| Houghton le Spring to Arroyomolinos | 1,013.19 mi (1,630.58 km) |
| Houghton le Spring to Arteijo | 857.45 mi (1,379.93 km) |
| Houghton le Spring to Arucas | 1,976.02 mi (3,180.09 km) |
| Houghton le Spring to Aspe | 1,140.19 mi (1,834.96 km) |
| Houghton le Spring to Astorga | 880.38 mi (1,416.83 km) |
| Houghton le Spring to Atarfe | 1,221.79 mi (1,966.29 km) |
| Houghton le Spring to Avila | 991.55 mi (1,595.74 km) |
| Houghton le Spring to Aviles | 804.66 mi (1,294.97 km) |
