| Harker Heights to Allison Park (Pennsylvania) | 1,185.55 mi (1,907.96 km) |
| Harker Heights to Allouez (Wisconsin) | 1,063.65 mi (1,711.77 km) |
| Harker Heights to Aloha (Oregon) | 1,681.36 mi (2,705.89 km) |
| Harker Heights to Alpena (Michigan) | 1,235.04 mi (1,987.60 km) |
| Harker Heights to Alpharetta (Georgia) | 805.26 mi (1,295.95 km) |
| Harker Heights to Alpine (California) | 1,125.80 mi (1,811.79 km) |
| Harker Heights to Alpine (Utah) | 1,022.29 mi (1,645.21 km) |
| Harker Heights to Alsip (Illinois) | 915.99 mi (1,474.14 km) |
| Harker Heights to Altadena (California) | 1,209.71 mi (1,946.84 km) |
| Harker Heights to Altamont (Oregon) | 1,533.28 mi (2,467.58 km) |
| Harker Heights to Altamonte Springs (Florida) | 986.71 mi (1,587.95 km) |
| Harker Heights to Alton (Illinois) | 687.79 mi (1,106.89 km) |
| Harker Heights to Alton (Texas) | 331.95 mi (534.22 km) |
| Harker Heights to Altoona (Iowa) | 767.35 mi (1,234.94 km) |
| Harker Heights to Altoona (Pennsylvania) | 1,256.72 mi (2,022.50 km) |
