| Harker Heights to Fort Madison (Iowa) | 748.40 mi (1,204.44 km) |
| Harker Heights to Fort Meade (Maryland) | 1,301.91 mi (2,095.23 km) |
| Harker Heights to Fort Mill (South Carolina) | 1,004.01 mi (1,615.80 km) |
| Harker Heights to Fort Mohave (Arizona) | 1,016.41 mi (1,635.76 km) |
| Harker Heights to Fort Morgan (Colorado) | 722.57 mi (1,162.86 km) |
| Harker Heights to Fort Myers (Florida) | 1,003.96 mi (1,615.72 km) |
| Harker Heights to Fort Oglethorpe (Georgia) | 766.07 mi (1,232.87 km) |
| Harker Heights to Fort Payne (Alabama) | 732.33 mi (1,178.57 km) |
| Harker Heights to Fort Pierce (Florida) | 1,071.59 mi (1,724.55 km) |
| Harker Heights to Fort Smith (Arkansas) | 351.80 mi (566.17 km) |
| Harker Heights to Fort Thomas (Kentucky) | 927.80 mi (1,493.15 km) |
| Harker Heights to Fort Walton Beach (Florida) | 655.74 mi (1,055.32 km) |
| Harker Heights to Fort Washington (Maryland) | 1,280.33 mi (2,060.49 km) |
| Harker Heights to Fort Wayne (Indiana) | 981.78 mi (1,580.02 km) |
| Harker Heights to Fort Worth (Texas) | 120.42 mi (193.80 km) |
