| Sint-Gillis-Waas to Skarzysko-Kamienna | 726.31 mi (1,168.89 km) |
| Sint-Gillis-Waas to Skawina | 693.15 mi (1,115.52 km) |
| Sint-Gillis-Waas to Skierniewice | 688.77 mi (1,108.47 km) |
| Sint-Gillis-Waas to Skoczow | 650.94 mi (1,047.58 km) |
| Sint-Gillis-Waas to Skwierzyna | 493.98 mi (794.99 km) |
| Sint-Gillis-Waas to Slawno | 566.89 mi (912.32 km) |
| Sint-Gillis-Waas to Slubice | 453.06 mi (729.14 km) |
| Sint-Gillis-Waas to Slupca | 591.88 mi (952.54 km) |
| Sint-Gillis-Waas to Slupsk | 582.70 mi (937.76 km) |
| Sint-Gillis-Waas to Sochaczew | 691.89 mi (1,113.49 km) |
| Sint-Gillis-Waas to Sokolka | 829.91 mi (1,335.61 km) |
| Sint-Gillis-Waas to Sokolow Podlaski | 776.88 mi (1,250.27 km) |
| Sint-Gillis-Waas to Solec Kujawski | 611.14 mi (983.53 km) |
| Sint-Gillis-Waas to Sopot | 641.79 mi (1,032.86 km) |
| Sint-Gillis-Waas to Sosnowiec | 658.46 mi (1,059.69 km) |
