| Mountain Ash to Sierpc | 973.45 mi (1,566.61 km) |
| Mountain Ash to Skarzysko-Kamienna | 1,043.20 mi (1,678.88 km) |
| Mountain Ash to Skawina | 1,015.37 mi (1,634.09 km) |
| Mountain Ash to Skierniewice | 1,000.62 mi (1,610.34 km) |
| Mountain Ash to Skoczow | 974.08 mi (1,567.63 km) |
| Mountain Ash to Skwierzyna | 800.76 mi (1,288.70 km) |
| Mountain Ash to Slawno | 850.65 mi (1,368.98 km) |
| Mountain Ash to Slubice | 762.55 mi (1,227.20 km) |
| Mountain Ash to Slupca | 901.71 mi (1,451.16 km) |
| Mountain Ash to Slupsk | 865.42 mi (1,392.76 km) |
| Mountain Ash to Sochaczew | 1,001.65 mi (1,612.01 km) |
| Mountain Ash to Sokolka | 1,128.96 mi (1,816.89 km) |
| Mountain Ash to Sokolow Podlaski | 1,084.64 mi (1,745.56 km) |
| Mountain Ash to Solec Kujawski | 913.09 mi (1,469.48 km) |
| Mountain Ash to Sopot | 926.97 mi (1,491.82 km) |
