| Harker Heights to Mount Holly (North Carolina) | 1,004.53 mi (1,616.64 km) |
| Harker Heights to Mount Juliet (Tennessee) | 731.71 mi (1,177.58 km) |
| Harker Heights to Mount Kisco (New York) | 1,500.48 mi (2,414.79 km) |
| Harker Heights to Mount Pleasant (Michigan) | 1,115.46 mi (1,795.17 km) |
| Harker Heights to Mount Pleasant (South Carolina) | 1,050.99 mi (1,691.40 km) |
| Harker Heights to Mount Pleasant (Texas) | 213.37 mi (343.38 km) |
| Harker Heights to Mount Pleasant (Wisconsin) | 967.65 mi (1,557.28 km) |
| Harker Heights to Mount Prospect (Illinois) | 930.57 mi (1,497.61 km) |
| Harker Heights to Mount Sinai (New York) | 1,529.29 mi (2,461.16 km) |
| Harker Heights to Mount Vernon (Illinois) | 704.48 mi (1,133.75 km) |
| Harker Heights to Mount Vernon (New York) | 1,488.75 mi (2,395.92 km) |
| Harker Heights to Mount Vernon (Ohio) | 1,064.93 mi (1,713.84 km) |
| Harker Heights to Mount Vernon (Virginia) | 1,274.91 mi (2,051.77 km) |
| Harker Heights to Mount Vernon (Washington) | 1,762.16 mi (2,835.93 km) |
| Harker Heights to Mount Washington (Kentucky) | 839.23 mi (1,350.61 km) |
