| Houghton Regis to Sierpc | 851.19 mi (1,369.85 km) |
| Houghton Regis to Skarzysko-Kamienna | 920.28 mi (1,481.04 km) |
| Houghton Regis to Skawina | 893.14 mi (1,437.37 km) |
| Houghton Regis to Skierniewice | 877.77 mi (1,412.63 km) |
| Houghton Regis to Skoczow | 852.25 mi (1,371.56 km) |
| Houghton Regis to Skwierzyna | 678.12 mi (1,091.32 km) |
| Houghton Regis to Slawno | 730.90 mi (1,176.26 km) |
| Houghton Regis to Slubice | 639.72 mi (1,029.52 km) |
| Houghton Regis to Slupca | 778.93 mi (1,253.57 km) |
| Houghton Regis to Slupsk | 745.88 mi (1,200.38 km) |
| Houghton Regis to Sochaczew | 878.93 mi (1,414.50 km) |
| Houghton Regis to Sokolka | 1,007.47 mi (1,621.37 km) |
| Houghton Regis to Sokolow Podlaski | 962.11 mi (1,548.37 km) |
| Houghton Regis to Solec Kujawski | 791.00 mi (1,272.99 km) |
| Houghton Regis to Sopot | 807.23 mi (1,299.11 km) |
