| Brussels to Skarzysko-Kamienna | 719.25 mi (1,157.51 km) |
| Brussels to Skawina | 682.93 mi (1,099.06 km) |
| Brussels to Skierniewice | 683.88 mi (1,100.59 km) |
| Brussels to Skoczow | 639.85 mi (1,029.74 km) |
| Brussels to Skwierzyna | 491.70 mi (791.32 km) |
| Brussels to Slawno | 570.17 mi (917.59 km) |
| Brussels to Slubice | 450.10 mi (724.36 km) |
| Brussels to Slupca | 588.05 mi (946.38 km) |
| Brussels to Slupsk | 586.09 mi (943.22 km) |
| Brussels to Sochaczew | 687.73 mi (1,106.79 km) |
| Brussels to Sokolka | 828.49 mi (1,333.32 km) |
| Brussels to Sokolow Podlaski | 773.14 mi (1,244.25 km) |
| Brussels to Solec Kujawski | 609.71 mi (981.24 km) |
| Brussels to Sopot | 644.32 mi (1,036.93 km) |
| Brussels to Sosnowiec | 648.78 mi (1,044.11 km) |
