| Biot to Smolyan | 904.58 mi (1,455.78 km) |
| Biot to Sofia | 819.35 mi (1,318.62 km) |
| Biot to Sopot | 890.96 mi (1,433.86 km) |
| Biot to Sozopol | 1,041.46 mi (1,676.08 km) |
| Biot to Sredets | 1,017.41 mi (1,637.37 km) |
| Biot to Stamboliyski | 887.22 mi (1,427.85 km) |
| Biot to Stara Zagora | 938.77 mi (1,510.81 km) |
| Biot to Svilengrad | 976.40 mi (1,571.36 km) |
| Biot to Svishtov | 911.18 mi (1,466.40 km) |
| Biot to Targovishte | 975.78 mi (1,570.37 km) |
| Biot to Teteven | 863.68 mi (1,389.96 km) |
| Biot to Troyan | 886.53 mi (1,426.73 km) |
| Biot to Tryavna | 925.84 mi (1,489.99 km) |
| Biot to Tutrakan | 971.01 mi (1,562.69 km) |
| Biot to Varna | 1,042.51 mi (1,677.75 km) |
