| Harker Heights to Merrick (New York) | 1,496.44 mi (2,408.28 km) |
| Harker Heights to Merrifield (Virginia) | 1,271.35 mi (2,046.05 km) |
| Harker Heights to Merrillville (Indiana) | 919.81 mi (1,480.29 km) |
| Harker Heights to Merritt Island (Florida) | 1,035.24 mi (1,666.06 km) |
| Harker Heights to Mesa (Arizona) | 837.64 mi (1,348.04 km) |
| Harker Heights to Mesquite (Nevada) | 1,023.43 mi (1,647.05 km) |
| Harker Heights to Mesquite (Texas) | 133.03 mi (214.09 km) |
| Harker Heights to Metairie (Louisiana) | 450.28 mi (724.65 km) |
| Harker Heights to Methuen Town (Massachusetts) | 1,659.54 mi (2,670.77 km) |
| Harker Heights to Metuchen (New Jersey) | 1,453.84 mi (2,339.73 km) |
| Harker Heights to Mexico (Missouri) | 647.80 mi (1,042.53 km) |
| Harker Heights to Miami (Florida) | 1,118.78 mi (1,800.50 km) |
| Harker Heights to Miami (Oklahoma) | 433.01 mi (696.86 km) |
| Harker Heights to Miami Beach (Florida) | 1,121.92 mi (1,805.56 km) |
| Harker Heights to Miami Gardens (Florida) | 1,112.65 mi (1,790.64 km) |
