| Harker Heights to Alderwood Manor (Washington) | 1,737.44 mi (2,796.14 km) |
| Harker Heights to Aldine (Texas) | 156.41 mi (251.71 km) |
| Harker Heights to Alexander City (Alabama) | 697.75 mi (1,122.93 km) |
| Harker Heights to Alexandria (Louisiana) | 306.29 mi (492.93 km) |
| Harker Heights to Alexandria (Minnesota) | 1,031.20 mi (1,659.55 km) |
| Harker Heights to Alexandria (Virginia) | 1,278.12 mi (2,056.93 km) |
| Harker Heights to Algonquin (Illinois) | 924.15 mi (1,487.27 km) |
| Harker Heights to Alhambra (California) | 1,209.18 mi (1,945.98 km) |
| Harker Heights to Alice (Texas) | 229.52 mi (369.37 km) |
| Harker Heights to Aliso Viejo (California) | 1,183.68 mi (1,904.95 km) |
| Harker Heights to Allen (Texas) | 152.72 mi (245.79 km) |
| Harker Heights to Allen Park (Michigan) | 1,110.17 mi (1,786.65 km) |
| Harker Heights to Allendale (Michigan) | 1,044.38 mi (1,680.77 km) |
| Harker Heights to Allentown (Pennsylvania) | 1,400.33 mi (2,253.61 km) |
| Harker Heights to Alliance (Ohio) | 1,144.41 mi (1,841.74 km) |
