| Kardzhali to Sin-le-Noble | 1,219.12 mi (1,961.98 km) |
| Kardzhali to Six-Fours-les-Plages | 1,000.44 mi (1,610.05 km) |
| Kardzhali to Soissons | 1,187.44 mi (1,911.00 km) |
| Kardzhali to Soisy-sous-Montmorency | 1,223.67 mi (1,969.30 km) |
| Kardzhali to Sollies-Pont | 989.22 mi (1,592.00 km) |
| Kardzhali to Somain | 1,212.10 mi (1,950.69 km) |
| Kardzhali to Sorgues | 1,048.38 mi (1,687.21 km) |
| Kardzhali to Sotteville-les-Rouen | 1,284.10 mi (2,066.56 km) |
| Kardzhali to Soyaux | 1,282.56 mi (2,064.08 km) |
| Kardzhali to Stains | 1,219.31 mi (1,962.29 km) |
| Kardzhali to Stiring-Wendel | 1,031.15 mi (1,659.47 km) |
| Kardzhali to Strasbourg | 980.33 mi (1,577.69 km) |
| Kardzhali to Sucy-en-Brie | 1,209.86 mi (1,947.07 km) |
| Kardzhali to Suresnes | 1,224.97 mi (1,971.41 km) |
| Kardzhali to Talant | 1,073.77 mi (1,728.07 km) |
