| Opwijk to Skarzysko-Kamienna | 725.45 mi (1,167.50 km) |
| Opwijk to Skawina | 690.19 mi (1,110.76 km) |
| Opwijk to Skierniewice | 689.31 mi (1,109.34 km) |
| Opwijk to Skoczow | 647.39 mi (1,041.87 km) |
| Opwijk to Skwierzyna | 496.14 mi (798.46 km) |
| Opwijk to Slawno | 572.50 mi (921.35 km) |
| Opwijk to Slubice | 454.77 mi (731.89 km) |
| Opwijk to Slupca | 593.08 mi (954.48 km) |
| Opwijk to Slupsk | 588.39 mi (946.92 km) |
| Opwijk to Sochaczew | 692.90 mi (1,115.12 km) |
| Opwijk to Sokolka | 832.68 mi (1,340.07 km) |
| Opwijk to Sokolow Podlaski | 778.18 mi (1,252.36 km) |
| Opwijk to Solec Kujawski | 613.87 mi (987.92 km) |
| Opwijk to Sopot | 646.97 mi (1,041.20 km) |
| Opwijk to Sosnowiec | 655.86 mi (1,055.51 km) |
