| Harker Heights to Hicksville (New York) | 1,500.37 mi (2,414.61 km) |
| Harker Heights to Hidalgo (Texas) | 343.83 mi (553.34 km) |
| Harker Heights to High Point (North Carolina) | 1,070.46 mi (1,722.73 km) |
| Harker Heights to Highland (California) | 1,153.99 mi (1,857.17 km) |
| Harker Heights to Highland (Illinois) | 697.13 mi (1,121.93 km) |
| Harker Heights to Highland (Indiana) | 918.94 mi (1,478.89 km) |
| Harker Heights to Highland (Utah) | 1,021.89 mi (1,644.58 km) |
| Harker Heights to Highland City (Florida) | 970.90 mi (1,562.52 km) |
| Harker Heights to Highland Park (Illinois) | 941.02 mi (1,514.43 km) |
| Harker Heights to Highland Park (New Jersey) | 1,449.64 mi (2,332.97 km) |
| Harker Heights to Highland Springs (Virginia) | 1,240.13 mi (1,995.79 km) |
| Harker Heights to Highland Village (Texas) | 144.52 mi (232.58 km) |
| Harker Heights to Highlands Ranch (Colorado) | 716.58 mi (1,153.22 km) |
| Harker Heights to Hillcrest (California) | 1,264.89 mi (2,035.65 km) |
| Harker Heights to Hillcrest Heights (Maryland) | 1,284.76 mi (2,067.62 km) |
