| Kardzhali to Skarzysko-Kamienna | 687.28 mi (1,106.08 km) |
| Kardzhali to Skawina | 634.01 mi (1,020.34 km) |
| Kardzhali to Skierniewice | 753.80 mi (1,213.13 km) |
| Kardzhali to Skoczow | 645.80 mi (1,039.31 km) |
| Kardzhali to Skwierzyna | 885.62 mi (1,425.27 km) |
| Kardzhali to Slawno | 963.92 mi (1,551.28 km) |
| Kardzhali to Slubice | 895.43 mi (1,441.05 km) |
| Kardzhali to Slupca | 815.34 mi (1,312.17 km) |
| Kardzhali to Slupsk | 963.98 mi (1,551.38 km) |
| Kardzhali to Sochaczew | 769.79 mi (1,238.86 km) |
| Kardzhali to Sokolka | 816.43 mi (1,313.92 km) |
| Kardzhali to Sokolow Podlaski | 756.93 mi (1,218.16 km) |
| Kardzhali to Solec Kujawski | 856.58 mi (1,378.52 km) |
| Kardzhali to Sopot | 937.44 mi (1,508.66 km) |
| Kardzhali to Sosnowiec | 666.84 mi (1,073.17 km) |
