| Cwmbran to Sierpc | 959.03 mi (1,543.40 km) |
| Cwmbran to Skarzysko-Kamienna | 1,028.24 mi (1,654.79 km) |
| Cwmbran to Skawina | 1,000.12 mi (1,609.54 km) |
| Cwmbran to Skierniewice | 985.87 mi (1,586.61 km) |
| Cwmbran to Skoczow | 958.77 mi (1,542.99 km) |
| Cwmbran to Skwierzyna | 786.16 mi (1,265.20 km) |
| Cwmbran to Slawno | 836.96 mi (1,346.96 km) |
| Cwmbran to Slubice | 747.82 mi (1,203.50 km) |
| Cwmbran to Slupca | 887.02 mi (1,427.52 km) |
| Cwmbran to Slupsk | 851.78 mi (1,370.81 km) |
| Cwmbran to Sochaczew | 987.00 mi (1,588.43 km) |
| Cwmbran to Sokolka | 1,114.82 mi (1,794.13 km) |
| Cwmbran to Sokolow Podlaski | 1,070.10 mi (1,722.16 km) |
| Cwmbran to Solec Kujawski | 898.73 mi (1,446.37 km) |
| Cwmbran to Sopot | 913.29 mi (1,469.80 km) |
