| Ostend to Skarzysko-Kamienna | 777.75 mi (1,251.66 km) |
| Ostend to Skawina | 744.97 mi (1,198.91 km) |
| Ostend to Skierniewice | 739.58 mi (1,190.23 km) |
| Ostend to Skoczow | 702.73 mi (1,130.93 km) |
| Ostend to Skwierzyna | 543.80 mi (875.17 km) |
| Ostend to Slawno | 612.89 mi (986.36 km) |
| Ostend to Slubice | 503.25 mi (809.91 km) |
| Ostend to Slupca | 642.32 mi (1,033.71 km) |
| Ostend to Slupsk | 628.58 mi (1,011.60 km) |
| Ostend to Sochaczew | 742.41 mi (1,194.80 km) |
| Ostend to Sokolka | 879.01 mi (1,414.62 km) |
| Ostend to Sokolow Podlaski | 827.19 mi (1,331.24 km) |
| Ostend to Solec Kujawski | 660.39 mi (1,062.79 km) |
| Ostend to Sopot | 688.30 mi (1,107.71 km) |
| Ostend to Sosnowiec | 710.26 mi (1,143.05 km) |
