| Madrid to Sierpc | 1,392.94 mi (2,241.72 km) |
| Madrid to Skarzysko-Kamienna | 1,387.95 mi (2,233.69 km) |
| Madrid to Skawina | 1,314.64 mi (2,115.70 km) |
| Madrid to Skierniewice | 1,381.97 mi (2,224.06 km) |
| Madrid to Skoczow | 1,266.75 mi (2,038.63 km) |
| Madrid to Skwierzyna | 1,234.79 mi (1,987.21 km) |
| Madrid to Slawno | 1,345.72 mi (2,165.72 km) |
| Madrid to Slubice | 1,192.85 mi (1,919.70 km) |
| Madrid to Slupca | 1,307.34 mi (2,103.96 km) |
| Madrid to Slupsk | 1,361.56 mi (2,191.21 km) |
| Madrid to Sochaczew | 1,393.24 mi (2,242.21 km) |
| Madrid to Sokolka | 1,551.00 mi (2,496.10 km) |
| Madrid to Sokolow Podlaski | 1,475.28 mi (2,374.23 km) |
| Madrid to Solec Kujawski | 1,348.36 mi (2,169.98 km) |
| Madrid to Sopot | 1,411.15 mi (2,271.02 km) |
