| Halberstadt to Smolyan | 958.98 mi (1,543.32 km) |
| Halberstadt to Sofia | 855.03 mi (1,376.03 km) |
| Halberstadt to Sopot | 903.15 mi (1,453.48 km) |
| Halberstadt to Sozopol | 1,016.15 mi (1,635.33 km) |
| Halberstadt to Sredets | 1,001.84 mi (1,612.30 km) |
| Halberstadt to Stamboliyski | 923.73 mi (1,486.60 km) |
| Halberstadt to Stara Zagora | 944.39 mi (1,519.85 km) |
| Halberstadt to Svilengrad | 997.69 mi (1,605.63 km) |
| Halberstadt to Svishtov | 873.97 mi (1,406.51 km) |
| Halberstadt to Targovishte | 935.42 mi (1,505.42 km) |
| Halberstadt to Teteven | 873.25 mi (1,405.37 km) |
| Halberstadt to Troyan | 889.81 mi (1,432.00 km) |
| Halberstadt to Tryavna | 916.94 mi (1,475.67 km) |
| Halberstadt to Tutrakan | 898.34 mi (1,445.73 km) |
| Halberstadt to Varna | 985.15 mi (1,585.44 km) |
