| Ashburn to Sierpc | 4,397.70 mi (7,077.41 km) |
| Ashburn to Skarzysko-Kamienna | 4,506.70 mi (7,252.84 km) |
| Ashburn to Skawina | 4,507.96 mi (7,254.87 km) |
| Ashburn to Skierniewice | 4,447.78 mi (7,158.00 km) |
| Ashburn to Skoczow | 4,475.00 mi (7,201.82 km) |
| Ashburn to Skwierzyna | 4,255.44 mi (6,848.47 km) |
| Ashburn to Slawno | 4,240.90 mi (6,825.07 km) |
| Ashburn to Slubice | 4,228.80 mi (6,805.59 km) |
| Ashburn to Slupca | 4,352.68 mi (7,004.97 km) |
| Ashburn to Slupsk | 4,249.96 mi (6,839.65 km) |
| Ashburn to Sochaczew | 4,441.22 mi (7,147.45 km) |
| Ashburn to Sokolka | 4,513.91 mi (7,264.44 km) |
| Ashburn to Sokolow Podlaski | 4,507.44 mi (7,254.03 km) |
| Ashburn to Solec Kujawski | 4,339.20 mi (6,983.27 km) |
| Ashburn to Sopot | 4,304.63 mi (6,927.64 km) |
