| Kehl to Smolyan | 951.62 mi (1,531.48 km) |
| Kehl to Sofia | 849.86 mi (1,367.72 km) |
| Kehl to Sopot | 912.17 mi (1,468.00 km) |
| Kehl to Sozopol | 1,048.63 mi (1,687.61 km) |
| Kehl to Sredets | 1,029.13 mi (1,656.23 km) |
| Kehl to Stamboliyski | 922.64 mi (1,484.84 km) |
| Kehl to Stara Zagora | 958.88 mi (1,543.17 km) |
| Kehl to Svilengrad | 1,007.69 mi (1,621.72 km) |
| Kehl to Svishtov | 904.48 mi (1,455.61 km) |
| Kehl to Targovishte | 970.94 mi (1,562.58 km) |
| Kehl to Teteven | 881.61 mi (1,418.82 km) |
| Kehl to Troyan | 902.19 mi (1,451.93 km) |
| Kehl to Tryavna | 936.67 mi (1,507.43 km) |
| Kehl to Tutrakan | 947.07 mi (1,524.16 km) |
| Kehl to Varna | 1,031.10 mi (1,659.40 km) |
