| San Martin de Valdeiglesias to Sierpc | 1,421.17 mi (2,287.15 km) |
| San Martin de Valdeiglesias to Skarzysko-Kamienna | 1,418.35 mi (2,282.61 km) |
| San Martin de Valdeiglesias to Skawina | 1,345.87 mi (2,165.97 km) |
| San Martin de Valdeiglesias to Skierniewice | 1,411.30 mi (2,271.27 km) |
| San Martin de Valdeiglesias to Skoczow | 1,297.90 mi (2,088.77 km) |
| San Martin de Valdeiglesias to Skwierzyna | 1,261.62 mi (2,030.38 km) |
| San Martin de Valdeiglesias to Slawno | 1,371.11 mi (2,206.59 km) |
| San Martin de Valdeiglesias to Slubice | 1,219.49 mi (1,962.58 km) |
| San Martin de Valdeiglesias to Slupca | 1,335.54 mi (2,149.35 km) |
| San Martin de Valdeiglesias to Slupsk | 1,387.00 mi (2,232.16 km) |
| San Martin de Valdeiglesias to Sochaczew | 1,422.33 mi (2,289.02 km) |
| San Martin de Valdeiglesias to Sokolka | 1,579.84 mi (2,542.51 km) |
| San Martin de Valdeiglesias to Sokolow Podlaski | 1,504.76 mi (2,421.68 km) |
| San Martin de Valdeiglesias to Solec Kujawski | 1,375.85 mi (2,214.22 km) |
| San Martin de Valdeiglesias to Sopot | 1,437.29 mi (2,313.09 km) |
