| Willebroek to Skarzysko-Kamienna | 716.69 mi (1,153.41 km) |
| Willebroek to Skawina | 682.21 mi (1,097.91 km) |
| Willebroek to Skierniewice | 680.11 mi (1,094.53 km) |
| Willebroek to Skoczow | 639.64 mi (1,029.41 km) |
| Willebroek to Skwierzyna | 486.48 mi (782.91 km) |
| Willebroek to Slawno | 562.19 mi (904.75 km) |
| Willebroek to Slubice | 445.22 mi (716.51 km) |
| Willebroek to Slupca | 583.68 mi (939.34 km) |
| Willebroek to Slupsk | 578.06 mi (930.30 km) |
| Willebroek to Sochaczew | 683.56 mi (1,100.08 km) |
| Willebroek to Sokolka | 822.90 mi (1,324.32 km) |
| Willebroek to Sokolow Podlaski | 768.76 mi (1,237.20 km) |
| Willebroek to Solec Kujawski | 604.08 mi (972.18 km) |
| Willebroek to Sopot | 636.72 mi (1,024.70 km) |
| Willebroek to Sosnowiec | 647.73 mi (1,042.42 km) |
