| Harker Heights to Sugar Hill (Georgia) | 818.01 mi (1,316.45 km) |
| Harker Heights to Sugar Land (Texas) | 156.78 mi (252.31 km) |
| Harker Heights to Sugarland Run (Virginia) | 1,268.16 mi (2,040.91 km) |
| Harker Heights to Sugarmill Woods (Florida) | 920.48 mi (1,481.37 km) |
| Harker Heights to Suisun City (California) | 1,465.92 mi (2,359.18 km) |
| Harker Heights to Suitland (Maryland) | 1,287.14 mi (2,071.46 km) |
| Harker Heights to Sulphur (Louisiana) | 261.23 mi (420.41 km) |
| Harker Heights to Sulphur Springs (Texas) | 186.81 mi (300.64 km) |
| Harker Heights to Summerfield (Maryland) | 1,291.14 mi (2,077.88 km) |
| Harker Heights to Summerfield (North Carolina) | 1,078.95 mi (1,736.40 km) |
| Harker Heights to Summerlin South (Nevada) | 1,074.64 mi (1,729.46 km) |
| Harker Heights to Summerville (South Carolina) | 1,030.57 mi (1,658.55 km) |
| Harker Heights to Summit (Illinois) | 919.67 mi (1,480.07 km) |
| Harker Heights to Summit (New Jersey) | 1,457.77 mi (2,346.05 km) |
| Harker Heights to Sumner (Washington) | 1,714.10 mi (2,758.57 km) |
