| Welling to Sierpc | 831.92 mi (1,338.85 km) |
| Welling to Skarzysko-Kamienna | 896.38 mi (1,442.59 km) |
| Welling to Skawina | 866.09 mi (1,393.84 km) |
| Welling to Skierniewice | 855.93 mi (1,377.48 km) |
| Welling to Skoczow | 824.32 mi (1,326.61 km) |
| Welling to Skwierzyna | 657.69 mi (1,058.45 km) |
| Welling to Slawno | 716.82 mi (1,153.61 km) |
| Welling to Slubice | 618.30 mi (995.06 km) |
| Welling to Slupca | 757.68 mi (1,219.38 km) |
| Welling to Slupsk | 732.09 mi (1,178.19 km) |
| Welling to Sochaczew | 857.84 mi (1,380.57 km) |
| Welling to Sokolka | 989.92 mi (1,593.12 km) |
| Welling to Sokolow Podlaski | 941.81 mi (1,515.70 km) |
| Welling to Solec Kujawski | 772.30 mi (1,242.89 km) |
| Welling to Sopot | 793.00 mi (1,276.21 km) |
