| Harker Heights to South Plainfield (New Jersey) | 1,452.00 mi (2,336.76 km) |
| Harker Heights to South Portland (Maine) | 1,723.84 mi (2,774.25 km) |
| Harker Heights to South Riding (Virginia) | 1,258.49 mi (2,025.34 km) |
| Harker Heights to South River (New Jersey) | 1,450.86 mi (2,334.93 km) |
| Harker Heights to South Salt Lake (Utah) | 1,037.38 mi (1,669.50 km) |
| Harker Heights to South San Francisco (California) | 1,479.68 mi (2,381.31 km) |
| Harker Heights to South San Jose Hills (California) | 1,195.61 mi (1,924.15 km) |
| Harker Heights to South Sioux City (Nebraska) | 790.96 mi (1,272.93 km) |
| Harker Heights to South St. Paul (Minnesota) | 987.50 mi (1,589.22 km) |
| Harker Heights to South Valley (New Mexico) | 590.07 mi (949.63 km) |
| Harker Heights to South Venice (Florida) | 959.76 mi (1,544.59 km) |
| Harker Heights to South Whittier (California) | 1,202.48 mi (1,935.20 km) |
| Harker Heights to South Yarmouth (Massachusetts) | 1,683.98 mi (2,710.11 km) |
| Harker Heights to Southaven (Mississippi) | 519.08 mi (835.38 km) |
| Harker Heights to Southchase (Florida) | 991.78 mi (1,596.11 km) |
