| Harker Heights to Mineral Wells (Texas) | 124.21 mi (199.89 km) |
| Harker Heights to Minneapolis (Minnesota) | 989.53 mi (1,592.49 km) |
| Harker Heights to Minnehaha (Washington) | 1,675.96 mi (2,697.20 km) |
| Harker Heights to Minneola (Florida) | 967.77 mi (1,557.48 km) |
| Harker Heights to Minnetonka (Minnesota) | 985.01 mi (1,585.22 km) |
| Harker Heights to Minooka (Illinois) | 886.47 mi (1,426.63 km) |
| Harker Heights to Minot (North Dakota) | 1,202.32 mi (1,934.95 km) |
| Harker Heights to Mint Hill (North Carolina) | 1,022.19 mi (1,645.06 km) |
| Harker Heights to Miramar (Florida) | 1,106.45 mi (1,780.65 km) |
| Harker Heights to Mishawaka (Indiana) | 970.76 mi (1,562.29 km) |
| Harker Heights to Mission (Texas) | 337.86 mi (543.74 km) |
| Harker Heights to Mission Bend (Texas) | 150.90 mi (242.86 km) |
| Harker Heights to Mission Viejo (California) | 1,179.55 mi (1,898.31 km) |
| Harker Heights to Missoula (Montana) | 1,397.05 mi (2,248.33 km) |
| Harker Heights to Missouri City (Texas) | 162.69 mi (261.82 km) |
