| Harker Heights to Sierpc | 5,525.27 mi (8,892.07 km) |
| Harker Heights to Skarzysko-Kamienna | 5,644.40 mi (9,083.79 km) |
| Harker Heights to Skawina | 5,658.58 mi (9,106.61 km) |
| Harker Heights to Skierniewice | 5,581.34 mi (8,982.30 km) |
| Harker Heights to Skoczow | 5,630.72 mi (9,061.76 km) |
| Harker Heights to Skwierzyna | 5,399.75 mi (8,690.05 km) |
| Harker Heights to Slawno | 5,365.93 mi (8,635.62 km) |
| Harker Heights to Slubice | 5,378.18 mi (8,655.35 km) |
| Harker Heights to Slupca | 5,491.60 mi (8,837.87 km) |
| Harker Heights to Slupsk | 5,372.81 mi (8,646.70 km) |
| Harker Heights to Sochaczew | 5,572.25 mi (8,967.67 km) |
| Harker Heights to Sokolka | 5,622.32 mi (9,048.24 km) |
| Harker Heights to Sokolow Podlaski | 5,629.42 mi (9,059.68 km) |
| Harker Heights to Solec Kujawski | 5,470.17 mi (8,803.38 km) |
| Harker Heights to Sopot | 5,422.29 mi (8,726.34 km) |
