| Port-de-Bouc to Skarzysko-Kamienna | 914.33 mi (1,471.47 km) |
| Port-de-Bouc to Skawina | 835.25 mi (1,344.21 km) |
| Port-de-Bouc to Skierniewice | 917.27 mi (1,476.21 km) |
| Port-de-Bouc to Skoczow | 788.27 mi (1,268.59 km) |
| Port-de-Bouc to Skwierzyna | 798.13 mi (1,284.47 km) |
| Port-de-Bouc to Slawno | 921.90 mi (1,483.65 km) |
| Port-de-Bouc to Slubice | 759.52 mi (1,222.33 km) |
| Port-de-Bouc to Slupca | 854.43 mi (1,375.08 km) |
| Port-de-Bouc to Slupsk | 936.74 mi (1,507.53 km) |
| Port-de-Bouc to Sochaczew | 930.63 mi (1,497.70 km) |
| Port-de-Bouc to Sokolka | 1,088.86 mi (1,752.36 km) |
| Port-de-Bouc to Sokolow Podlaski | 1,008.32 mi (1,622.74 km) |
| Port-de-Bouc to Solec Kujawski | 901.91 mi (1,451.48 km) |
| Port-de-Bouc to Sopot | 977.47 mi (1,573.09 km) |
| Port-de-Bouc to Sosnowiec | 818.00 mi (1,316.44 km) |
