| Harker Heights to Stephenville (Texas) | 86.85 mi (139.78 km) |
| Harker Heights to Sterling (Colorado) | 729.77 mi (1,174.45 km) |
| Harker Heights to Sterling (Illinois) | 862.88 mi (1,388.67 km) |
| Harker Heights to Sterling (Virginia) | 1,266.11 mi (2,037.61 km) |
| Harker Heights to Sterling Heights (Michigan) | 1,131.43 mi (1,820.87 km) |
| Harker Heights to Steubenville (Ohio) | 1,146.75 mi (1,845.52 km) |
| Harker Heights to Stevens Point (Wisconsin) | 1,028.80 mi (1,655.70 km) |
| Harker Heights to Stevenson Ranch (California) | 1,236.64 mi (1,990.19 km) |
| Harker Heights to Stillwater (Minnesota) | 1,001.64 mi (1,611.98 km) |
| Harker Heights to Stillwater (Oklahoma) | 352.15 mi (566.72 km) |
| Harker Heights to Stockbridge (Georgia) | 801.26 mi (1,289.50 km) |
| Harker Heights to Stockton (California) | 1,424.82 mi (2,293.03 km) |
| Harker Heights to Stone Ridge (Virginia) | 1,256.73 mi (2,022.52 km) |
| Harker Heights to Stonecrest (Georgia) | 808.21 mi (1,300.69 km) |
| Harker Heights to Stony Brook (New York) | 1,523.17 mi (2,451.31 km) |
