| Frankenberg to Smolyan | 998.46 mi (1,606.87 km) |
| Frankenberg to Sofia | 894.22 mi (1,439.10 km) |
| Frankenberg to Sopot | 948.31 mi (1,526.16 km) |
| Frankenberg to Sozopol | 1,071.10 mi (1,723.76 km) |
| Frankenberg to Sredets | 1,054.77 mi (1,697.48 km) |
| Frankenberg to Stamboliyski | 965.26 mi (1,553.44 km) |
| Frankenberg to Stara Zagora | 992.04 mi (1,596.53 km) |
| Frankenberg to Svilengrad | 1,044.14 mi (1,680.38 km) |
| Frankenberg to Svishtov | 926.85 mi (1,491.62 km) |
| Frankenberg to Targovishte | 990.78 mi (1,594.50 km) |
| Frankenberg to Teteven | 917.83 mi (1,477.11 km) |
| Frankenberg to Troyan | 936.09 mi (1,506.50 km) |
| Frankenberg to Tryavna | 966.27 mi (1,555.07 km) |
| Frankenberg to Tutrakan | 958.13 mi (1,541.96 km) |
| Frankenberg to Varna | 1,044.73 mi (1,681.32 km) |
