| Boadilla del Monte to Sierpc | 1,399.71 mi (2,252.62 km) |
| Boadilla del Monte to Skarzysko-Kamienna | 1,395.28 mi (2,245.49 km) |
| Boadilla del Monte to Skawina | 1,322.18 mi (2,127.84 km) |
| Boadilla del Monte to Skierniewice | 1,389.02 mi (2,235.42 km) |
| Boadilla del Monte to Skoczow | 1,274.27 mi (2,050.74 km) |
| Boadilla del Monte to Skwierzyna | 1,241.21 mi (1,997.53 km) |
| Boadilla del Monte to Slawno | 1,351.77 mi (2,175.47 km) |
| Boadilla del Monte to Slubice | 1,199.21 mi (1,929.95 km) |
| Boadilla del Monte to Slupca | 1,314.11 mi (2,114.85 km) |
| Boadilla del Monte to Slupsk | 1,367.62 mi (2,200.98 km) |
| Boadilla del Monte to Sochaczew | 1,400.24 mi (2,253.46 km) |
| Boadilla del Monte to Sokolka | 1,557.94 mi (2,507.26 km) |
| Boadilla del Monte to Sokolow Podlaski | 1,482.38 mi (2,385.66 km) |
| Boadilla del Monte to Solec Kujawski | 1,354.95 mi (2,180.58 km) |
| Boadilla del Monte to Sopot | 1,417.39 mi (2,281.07 km) |
