| Billings to Argentona | 5,058.34 mi (8,140.61 km) |
| Billings to Arico el Nuevo | 4,943.23 mi (7,955.37 km) |
| Billings to Armilla | 5,055.21 mi (8,135.58 km) |
| Billings to Arnedo | 4,864.53 mi (7,828.70 km) |
| Billings to Arona | 4,939.29 mi (7,949.02 km) |
| Billings to Arrecife | 5,037.50 mi (8,107.07 km) |
| Billings to Arrigorriaga | 4,788.09 mi (7,705.68 km) |
| Billings to Arroyomolinos | 4,892.52 mi (7,873.76 km) |
| Billings to Arteijo | 4,575.71 mi (7,363.90 km) |
| Billings to Arucas | 4,990.13 mi (8,030.84 km) |
| Billings to Aspe | 5,104.57 mi (8,215.01 km) |
| Billings to Astorga | 4,706.84 mi (7,574.92 km) |
| Billings to Atarfe | 5,048.80 mi (8,125.25 km) |
| Billings to Avila | 4,844.54 mi (7,796.53 km) |
| Billings to Aviles | 4,661.20 mi (7,501.48 km) |
