| Harker Heights to Arcata (California) | 1,617.61 mi (2,603.29 km) |
| Harker Heights to Archdale (North Carolina) | 1,070.94 mi (1,723.52 km) |
| Harker Heights to Arden-Arcade (California) | 1,438.61 mi (2,315.22 km) |
| Harker Heights to Ardmore (Oklahoma) | 218.89 mi (352.26 km) |
| Harker Heights to Ardmore (Pennsylvania) | 1,395.14 mi (2,245.26 km) |
| Harker Heights to Arecibo (Puerto Rico) | 2,116.11 mi (3,405.56 km) |
| Harker Heights to Arkadelphia (Arkansas) | 340.17 mi (547.45 km) |
| Harker Heights to Arkansas City (Kansas) | 417.07 mi (671.20 km) |
| Harker Heights to Arlington (Tennessee) | 544.84 mi (876.84 km) |
| Harker Heights to Arlington (Texas) | 117.52 mi (189.12 km) |
| Harker Heights to Arlington (Virginia) | 1,278.68 mi (2,057.84 km) |
| Harker Heights to Arlington (Washington) | 1,746.16 mi (2,810.17 km) |
| Harker Heights to Arlington Heights (Illinois) | 930.85 mi (1,498.05 km) |
| Harker Heights to Arnold (Maryland) | 1,313.06 mi (2,113.16 km) |
| Harker Heights to Arnold (Missouri) | 655.18 mi (1,054.40 km) |
