| Harker Heights to Marysville (California) | 1,458.55 mi (2,347.31 km) |
| Harker Heights to Marysville (Ohio) | 1,019.92 mi (1,641.40 km) |
| Harker Heights to Marysville (Washington) | 1,743.21 mi (2,805.42 km) |
| Harker Heights to Maryville (Missouri) | 660.08 mi (1,062.30 km) |
| Harker Heights to Maryville (Tennessee) | 851.25 mi (1,369.96 km) |
| Harker Heights to Mason (Ohio) | 944.93 mi (1,520.71 km) |
| Harker Heights to Mason City (Iowa) | 870.25 mi (1,400.54 km) |
| Harker Heights to Massapequa (New York) | 1,500.91 mi (2,415.48 km) |
| Harker Heights to Massapequa Park (New York) | 1,502.26 mi (2,417.66 km) |
| Harker Heights to Massillon (Ohio) | 1,121.71 mi (1,805.21 km) |
| Harker Heights to Mastic (New York) | 1,534.94 mi (2,470.25 km) |
| Harker Heights to Mastic Beach (New York) | 1,534.56 mi (2,469.63 km) |
| Harker Heights to Matteson (Illinois) | 907.18 mi (1,459.96 km) |
| Harker Heights to Matthews (North Carolina) | 1,018.22 mi (1,638.67 km) |
| Harker Heights to Mattoon (Illinois) | 781.81 mi (1,258.20 km) |
