| Half Moon Bay to Argentona | 5,963.97 mi (9,598.09 km) |
| Half Moon Bay to Arico el Nuevo | 5,840.74 mi (9,399.77 km) |
| Half Moon Bay to Armilla | 5,971.22 mi (9,609.75 km) |
| Half Moon Bay to Arnedo | 5,774.68 mi (9,293.45 km) |
| Half Moon Bay to Arona | 5,836.21 mi (9,392.47 km) |
| Half Moon Bay to Arrecife | 5,941.94 mi (9,562.62 km) |
| Half Moon Bay to Arrigorriaga | 5,697.65 mi (9,169.49 km) |
| Half Moon Bay to Arroyomolinos | 5,806.51 mi (9,344.67 km) |
| Half Moon Bay to Arteijo | 5,489.90 mi (8,835.14 km) |
| Half Moon Bay to Arucas | 5,889.32 mi (9,477.95 km) |
| Half Moon Bay to Aspe | 6,018.01 mi (9,685.05 km) |
| Half Moon Bay to Astorga | 5,620.22 mi (9,044.86 km) |
| Half Moon Bay to Atarfe | 5,964.80 mi (9,599.42 km) |
| Half Moon Bay to Avila | 5,758.71 mi (9,267.74 km) |
| Half Moon Bay to Aviles | 5,573.20 mi (8,969.19 km) |
