| Middle Island to Sierpc | 4,140.32 mi (6,663.20 km) |
| Middle Island to Skarzysko-Kamienna | 4,247.45 mi (6,835.61 km) |
| Middle Island to Skawina | 4,246.68 mi (6,834.37 km) |
| Middle Island to Skierniewice | 4,189.31 mi (6,742.04 km) |
| Middle Island to Skoczow | 4,212.99 mi (6,780.15 km) |
| Middle Island to Skwierzyna | 3,995.62 mi (6,430.33 km) |
| Middle Island to Slawno | 3,984.31 mi (6,412.13 km) |
| Middle Island to Slubice | 3,968.20 mi (6,386.21 km) |
| Middle Island to Slupca | 4,093.54 mi (6,587.92 km) |
| Middle Island to Slupsk | 3,993.72 mi (6,427.27 km) |
| Middle Island to Sochaczew | 4,183.18 mi (6,732.18 km) |
| Middle Island to Sokolka | 4,259.47 mi (6,854.96 km) |
| Middle Island to Sokolow Podlaski | 4,250.74 mi (6,840.91 km) |
| Middle Island to Solec Kujawski | 4,081.39 mi (6,568.37 km) |
| Middle Island to Sopot | 4,049.14 mi (6,516.47 km) |
