| Heilbad Heiligenstadt to Smolyan | 965.20 mi (1,553.33 km) |
| Heilbad Heiligenstadt to Sofia | 860.93 mi (1,385.53 km) |
| Heilbad Heiligenstadt to Sopot | 912.18 mi (1,468.01 km) |
| Heilbad Heiligenstadt to Sozopol | 1,030.42 mi (1,658.30 km) |
| Heilbad Heiligenstadt to Sredets | 1,015.04 mi (1,633.54 km) |
| Heilbad Heiligenstadt to Stamboliyski | 930.94 mi (1,498.20 km) |
| Heilbad Heiligenstadt to Stara Zagora | 954.76 mi (1,536.54 km) |
| Heilbad Heiligenstadt to Svilengrad | 1,007.52 mi (1,621.44 km) |
| Heilbad Heiligenstadt to Svishtov | 886.97 mi (1,427.43 km) |
| Heilbad Heiligenstadt to Targovishte | 949.81 mi (1,528.58 km) |
| Heilbad Heiligenstadt to Teteven | 881.93 mi (1,419.34 km) |
| Heilbad Heiligenstadt to Troyan | 899.39 mi (1,447.43 km) |
| Heilbad Heiligenstadt to Tryavna | 928.15 mi (1,493.71 km) |
| Heilbad Heiligenstadt to Tutrakan | 915.04 mi (1,472.62 km) |
| Heilbad Heiligenstadt to Varna | 1,001.84 mi (1,612.31 km) |
