| Harker Heights to St. George (Utah) | 1,000.41 mi (1,610.00 km) |
| Harker Heights to St. Helens (Oregon) | 1,690.82 mi (2,721.12 km) |
| Harker Heights to St. James (New York) | 1,521.30 mi (2,448.30 km) |
| Harker Heights to St. John (Indiana) | 913.10 mi (1,469.49 km) |
| Harker Heights to St. Joseph (Missouri) | 621.86 mi (1,000.79 km) |
| Harker Heights to St. Louis (Missouri) | 670.47 mi (1,079.02 km) |
| Harker Heights to St. Louis Park (Minnesota) | 987.31 mi (1,588.92 km) |
| Harker Heights to St. Marys (Georgia) | 952.20 mi (1,532.42 km) |
| Harker Heights to St. Marys (Pennsylvania) | 1,279.91 mi (2,059.81 km) |
| Harker Heights to St. Matthews (Kentucky) | 842.96 mi (1,356.61 km) |
| Harker Heights to St. Michael (Minnesota) | 1,000.26 mi (1,609.77 km) |
| Harker Heights to St. Paul (Minnesota) | 990.64 mi (1,594.28 km) |
| Harker Heights to St. Peter (Minnesota) | 938.55 mi (1,510.45 km) |
| Harker Heights to St. Peters (Missouri) | 665.77 mi (1,071.46 km) |
| Harker Heights to St. Petersburg (Florida) | 928.41 mi (1,494.13 km) |
