| Boizenburg to Smolyan | 1,039.84 mi (1,673.46 km) |
| Boizenburg to Sofia | 936.69 mi (1,507.46 km) |
| Boizenburg to Sopot | 980.88 mi (1,578.57 km) |
| Boizenburg to Sozopol | 1,086.36 mi (1,748.33 km) |
| Boizenburg to Sredets | 1,073.64 mi (1,727.86 km) |
| Boizenburg to Stamboliyski | 1,003.58 mi (1,615.11 km) |
| Boizenburg to Stara Zagora | 1,020.24 mi (1,641.91 km) |
| Boizenburg to Svilengrad | 1,074.01 mi (1,728.45 km) |
| Boizenburg to Svishtov | 946.67 mi (1,523.52 km) |
| Boizenburg to Targovishte | 1,005.86 mi (1,618.78 km) |
| Boizenburg to Teteven | 951.56 mi (1,531.38 km) |
| Boizenburg to Troyan | 966.90 mi (1,556.08 km) |
| Boizenburg to Tryavna | 991.83 mi (1,596.19 km) |
| Boizenburg to Tutrakan | 965.58 mi (1,553.96 km) |
| Boizenburg to Varna | 1,051.94 mi (1,692.93 km) |
