| Bad Frankenhausen to Smolyan | 932.35 mi (1,500.46 km) |
| Bad Frankenhausen to Sofia | 828.19 mi (1,332.84 km) |
| Bad Frankenhausen to Sopot | 877.97 mi (1,412.96 km) |
| Bad Frankenhausen to Sozopol | 994.01 mi (1,599.70 km) |
| Bad Frankenhausen to Sredets | 979.05 mi (1,575.63 km) |
| Bad Frankenhausen to Stamboliyski | 897.59 mi (1,444.54 km) |
| Bad Frankenhausen to Stara Zagora | 919.96 mi (1,480.54 km) |
| Bad Frankenhausen to Svilengrad | 972.98 mi (1,565.86 km) |
| Bad Frankenhausen to Svishtov | 851.01 mi (1,369.58 km) |
| Bad Frankenhausen to Targovishte | 913.32 mi (1,469.85 km) |
| Bad Frankenhausen to Teteven | 847.87 mi (1,364.52 km) |
| Bad Frankenhausen to Troyan | 864.92 mi (1,391.96 km) |
| Bad Frankenhausen to Tryavna | 892.97 mi (1,437.10 km) |
| Bad Frankenhausen to Tutrakan | 877.66 mi (1,412.45 km) |
| Bad Frankenhausen to Varna | 964.49 mi (1,552.20 km) |
