| Reading to Sierpc | 877.14 mi (1,411.62 km) |
| Reading to Skarzysko-Kamienna | 942.70 mi (1,517.13 km) |
| Reading to Skawina | 912.70 mi (1,468.85 km) |
| Reading to Skierniewice | 901.85 mi (1,451.38 km) |
| Reading to Skoczow | 870.93 mi (1,401.63 km) |
| Reading to Skwierzyna | 703.21 mi (1,131.70 km) |
| Reading to Slawno | 760.04 mi (1,223.17 km) |
| Reading to Slubice | 664.07 mi (1,068.72 km) |
| Reading to Slupca | 803.44 mi (1,293.02 km) |
| Reading to Slupsk | 775.19 mi (1,247.55 km) |
| Reading to Sochaczew | 903.58 mi (1,454.17 km) |
| Reading to Sokolka | 1,034.60 mi (1,665.03 km) |
| Reading to Sokolow Podlaski | 987.35 mi (1,588.99 km) |
| Reading to Solec Kujawski | 817.33 mi (1,315.36 km) |
| Reading to Sopot | 836.31 mi (1,345.92 km) |
