| Koper to Sierpc | 572.63 mi (921.56 km) |
| Koper to Skarzysko-Kamienna | 506.27 mi (814.77 km) |
| Koper to Skawina | 416.96 mi (671.03 km) |
| Koper to Skierniewice | 530.56 mi (853.86 km) |
| Koper to Skoczow | 376.06 mi (605.21 km) |
| Koper to Skwierzyna | 493.59 mi (794.35 km) |
| Koper to Slawno | 622.34 mi (1,001.56 km) |
| Koper to Slubice | 471.34 mi (758.56 km) |
| Koper to Slupca | 502.50 mi (808.70 km) |
| Koper to Slupsk | 632.99 mi (1,018.69 km) |
| Koper to Sochaczew | 547.61 mi (881.30 km) |
| Koper to Sokolka | 696.16 mi (1,120.36 km) |
| Koper to Sokolow Podlaski | 610.04 mi (981.77 km) |
| Koper to Solec Kujawski | 558.29 mi (898.48 km) |
| Koper to Sopot | 650.93 mi (1,047.58 km) |
