| Towcester to Sierpc | 867.27 mi (1,395.73 km) |
| Towcester to Skarzysko-Kamienna | 938.70 mi (1,510.69 km) |
| Towcester to Skawina | 913.14 mi (1,469.55 km) |
| Towcester to Skierniewice | 895.17 mi (1,440.64 km) |
| Towcester to Skoczow | 872.69 mi (1,404.46 km) |
| Towcester to Skwierzyna | 694.96 mi (1,118.43 km) |
| Towcester to Slawno | 744.32 mi (1,197.86 km) |
| Towcester to Slubice | 657.11 mi (1,057.51 km) |
| Towcester to Slupca | 796.10 mi (1,281.19 km) |
| Towcester to Slupsk | 759.13 mi (1,221.70 km) |
| Towcester to Sochaczew | 895.94 mi (1,441.87 km) |
| Towcester to Sokolka | 1,022.54 mi (1,645.62 km) |
| Towcester to Sokolow Podlaski | 978.66 mi (1,575.00 km) |
| Towcester to Solec Kujawski | 806.84 mi (1,298.48 km) |
| Towcester to Sopot | 820.65 mi (1,320.71 km) |
