| Harker Heights to Storm Lake (Iowa) | 811.77 mi (1,306.42 km) |
| Harker Heights to Storrs (Connecticut) | 1,586.60 mi (2,553.39 km) |
| Harker Heights to Stoughton (Wisconsin) | 941.29 mi (1,514.86 km) |
| Harker Heights to Stow (Ohio) | 1,140.18 mi (1,834.94 km) |
| Harker Heights to Streamwood (Illinois) | 920.63 mi (1,481.60 km) |
| Harker Heights to Streator (Illinois) | 851.04 mi (1,369.62 km) |
| Harker Heights to Streetsboro (Ohio) | 1,146.42 mi (1,844.98 km) |
| Harker Heights to Strongsville (Ohio) | 1,128.10 mi (1,815.50 km) |
| Harker Heights to Stuart (Florida) | 1,082.26 mi (1,741.73 km) |
| Harker Heights to Stuarts Draft (Virginia) | 1,160.44 mi (1,867.56 km) |
| Harker Heights to Sturgis (Michigan) | 1,004.31 mi (1,616.28 km) |
| Harker Heights to Suamico (Wisconsin) | 1,072.05 mi (1,725.30 km) |
| Harker Heights to Sudley (Virginia) | 1,256.53 mi (2,022.20 km) |
| Harker Heights to Suffern (New York) | 1,478.17 mi (2,378.89 km) |
| Harker Heights to Suffolk (Virginia) | 1,263.23 mi (2,032.97 km) |
