| Colwyn Bay to Sierpc | 965.75 mi (1,554.22 km) |
| Colwyn Bay to Skarzysko-Kamienna | 1,047.79 mi (1,686.26 km) |
| Colwyn Bay to Skawina | 1,029.64 mi (1,657.04 km) |
| Colwyn Bay to Skierniewice | 999.70 mi (1,608.86 km) |
| Colwyn Bay to Skoczow | 991.38 mi (1,595.47 km) |
| Colwyn Bay to Skwierzyna | 798.38 mi (1,284.87 km) |
| Colwyn Bay to Slawno | 831.30 mi (1,337.85 km) |
| Colwyn Bay to Slubice | 763.38 mi (1,228.53 km) |
| Colwyn Bay to Slupca | 900.17 mi (1,448.68 km) |
| Colwyn Bay to Slupsk | 845.12 mi (1,360.09 km) |
| Colwyn Bay to Sochaczew | 998.62 mi (1,607.12 km) |
| Colwyn Bay to Sokolka | 1,115.16 mi (1,794.67 km) |
| Colwyn Bay to Sokolow Podlaski | 1,078.68 mi (1,735.97 km) |
| Colwyn Bay to Solec Kujawski | 904.61 mi (1,455.83 km) |
| Colwyn Bay to Sopot | 906.82 mi (1,459.39 km) |
