| Harker Heights to Springfield (Missouri) | 491.57 mi (791.11 km) |
| Harker Heights to Springfield (Ohio) | 989.28 mi (1,592.10 km) |
| Harker Heights to Springfield (Oregon) | 1,642.43 mi (2,643.23 km) |
| Harker Heights to Springfield (Tennessee) | 723.17 mi (1,163.83 km) |
| Harker Heights to Springfield (Virginia) | 1,272.30 mi (2,047.57 km) |
| Harker Heights to Springville (Utah) | 1,003.93 mi (1,615.67 km) |
| Harker Heights to St. Albans (West Virginia) | 1,029.15 mi (1,656.25 km) |
| Harker Heights to St. Andrews (South Carolina) | 983.96 mi (1,583.53 km) |
| Harker Heights to St. Ann (Missouri) | 670.27 mi (1,078.70 km) |
| Harker Heights to St. Augustine (Florida) | 975.08 mi (1,569.24 km) |
| Harker Heights to St. Charles (Illinois) | 910.90 mi (1,465.94 km) |
| Harker Heights to St. Charles (Missouri) | 669.53 mi (1,077.50 km) |
| Harker Heights to St. Clair Shores (Michigan) | 1,132.80 mi (1,823.07 km) |
| Harker Heights to St. Cloud (Florida) | 1,000.94 mi (1,610.85 km) |
| Harker Heights to St. Cloud (Minnesota) | 1,017.55 mi (1,637.59 km) |
