| Kardzhali to Sevnica | 584.39 mi (940.49 km) |
| Kardzhali to Sezana | 638.29 mi (1,027.23 km) |
| Kardzhali to Skocjan | 581.71 mi (936.18 km) |
| Kardzhali to Skofja Loka | 632.19 mi (1,017.41 km) |
| Kardzhali to Skofljica | 614.92 mi (989.62 km) |
| Kardzhali to Slovenj Gradec | 610.35 mi (982.26 km) |
| Kardzhali to Slovenska Bistrica | 585.80 mi (942.75 km) |
| Kardzhali to Slovenske Konjice | 590.26 mi (949.92 km) |
| Kardzhali to Smarje | 582.56 mi (937.54 km) |
| Kardzhali to Smarjeske Toplice | 583.35 mi (938.80 km) |
| Kardzhali to Smartno | 605.06 mi (973.74 km) |
| Kardzhali to Smartno | 606.26 mi (975.67 km) |
| Kardzhali to Sodrazica | 605.88 mi (975.07 km) |
| Kardzhali to Solcava | 623.52 mi (1,003.45 km) |
| Kardzhali to Sostanj | 607.26 mi (977.29 km) |
