| Middelkerke to Skarzysko-Kamienna | 782.38 mi (1,259.12 km) |
| Middelkerke to Skawina | 749.31 mi (1,205.90 km) |
| Middelkerke to Skierniewice | 744.37 mi (1,197.95 km) |
| Middelkerke to Skoczow | 706.98 mi (1,137.78 km) |
| Middelkerke to Skwierzyna | 548.73 mi (883.10 km) |
| Middelkerke to Slawno | 618.04 mi (994.64 km) |
| Middelkerke to Slubice | 508.13 mi (817.76 km) |
| Middelkerke to Slupca | 647.17 mi (1,041.52 km) |
| Middelkerke to Slupsk | 633.73 mi (1,019.88 km) |
| Middelkerke to Sochaczew | 747.26 mi (1,202.59 km) |
| Middelkerke to Sokolka | 884.01 mi (1,422.67 km) |
| Middelkerke to Sokolow Podlaski | 832.07 mi (1,339.09 km) |
| Middelkerke to Solec Kujawski | 665.37 mi (1,070.81 km) |
| Middelkerke to Sopot | 693.43 mi (1,115.96 km) |
| Middelkerke to Sosnowiec | 714.66 mi (1,150.13 km) |
