| Porthcawl to Sierpc | 989.83 mi (1,592.97 km) |
| Porthcawl to Skarzysko-Kamienna | 1,058.33 mi (1,703.22 km) |
| Porthcawl to Skawina | 1,029.43 mi (1,656.71 km) |
| Porthcawl to Skierniewice | 1,016.34 mi (1,635.64 km) |
| Porthcawl to Skoczow | 987.81 mi (1,589.72 km) |
| Porthcawl to Skwierzyna | 816.80 mi (1,314.51 km) |
| Porthcawl to Slawno | 868.07 mi (1,397.02 km) |
| Porthcawl to Slubice | 778.31 mi (1,252.58 km) |
| Porthcawl to Slupca | 917.57 mi (1,476.68 km) |
| Porthcawl to Slupsk | 882.90 mi (1,420.89 km) |
| Porthcawl to Sochaczew | 1,017.58 mi (1,637.64 km) |
| Porthcawl to Sokolka | 1,145.79 mi (1,843.97 km) |
| Porthcawl to Sokolow Podlaski | 1,100.80 mi (1,771.56 km) |
| Porthcawl to Solec Kujawski | 929.59 mi (1,496.02 km) |
| Porthcawl to Sopot | 944.40 mi (1,519.87 km) |
