| Barstow to Sierpc | 5,840.03 mi (9,398.62 km) |
| Barstow to Skarzysko-Kamienna | 5,970.99 mi (9,609.38 km) |
| Barstow to Skawina | 6,009.63 mi (9,671.56 km) |
| Barstow to Skierniewice | 5,903.85 mi (9,501.33 km) |
| Barstow to Skoczow | 5,993.65 mi (9,645.84 km) |
| Barstow to Skwierzyna | 5,753.54 mi (9,259.43 km) |
| Barstow to Slawno | 5,685.83 mi (9,150.46 km) |
| Barstow to Slubice | 5,743.09 mi (9,242.61 km) |
| Barstow to Slupca | 5,829.60 mi (9,381.84 km) |
| Barstow to Slupsk | 5,688.37 mi (9,154.54 km) |
| Barstow to Sochaczew | 5,890.55 mi (9,479.93 km) |
| Barstow to Sokolka | 5,896.56 mi (9,489.60 km) |
| Barstow to Sokolow Podlaski | 5,927.56 mi (9,539.48 km) |
| Barstow to Solec Kujawski | 5,794.54 mi (9,325.42 km) |
| Barstow to Sopot | 5,725.48 mi (9,214.26 km) |
