| Harker Heights to Argentona | 5,298.10 mi (8,526.47 km) |
| Harker Heights to Arico el Nuevo | 4,760.89 mi (7,661.91 km) |
| Harker Heights to Armilla | 5,162.44 mi (8,308.14 km) |
| Harker Heights to Arnedo | 5,072.86 mi (8,163.97 km) |
| Harker Heights to Arona | 4,753.40 mi (7,649.86 km) |
| Harker Heights to Arrecife | 4,899.89 mi (7,885.61 km) |
| Harker Heights to Arrigorriaga | 5,006.35 mi (8,056.94 km) |
| Harker Heights to Arroyomolinos | 5,050.50 mi (8,127.99 km) |
| Harker Heights to Arteijo | 4,746.63 mi (7,638.97 km) |
| Harker Heights to Arucas | 4,816.78 mi (7,751.86 km) |
| Harker Heights to Aspe | 5,260.44 mi (8,465.86 km) |
| Harker Heights to Astorga | 4,883.62 mi (7,859.42 km) |
| Harker Heights to Atarfe | 5,156.53 mi (8,298.64 km) |
| Harker Heights to Avila | 5,001.84 mi (8,049.68 km) |
| Harker Heights to Aviles | 4,859.03 mi (7,819.86 km) |
