| Cities | Distance |
|---|
| Bulancak to Smolyan | 703.64 mi (1,132.39 km) |
| Bulancak to Sofia | 776.02 mi (1,248.89 km) |
| Bulancak to Sopot | 703.84 mi (1,132.73 km) |
| Bulancak to Sozopol | 552.79 mi (889.64 km) |
| Bulancak to Sredets | 577.61 mi (929.58 km) |
| Bulancak to Stamboliyski | 712.63 mi (1,146.87 km) |
| Bulancak to Stara Zagora | 656.90 mi (1,057.18 km) |
| Bulancak to Svilengrad | 626.27 mi (1,007.88 km) |
| Bulancak to Svishtov | 683.43 mi (1,099.88 km) |
| Bulancak to Targovishte | 617.81 mi (994.28 km) |
| Bulancak to Teteven | 730.04 mi (1,174.88 km) |
| Bulancak to Troyan | 707.15 mi (1,138.04 km) |
| Bulancak to Tryavna | 667.63 mi (1,074.44 km) |
| Bulancak to Tutrakan | 629.12 mi (1,012.47 km) |
| Bulancak to Varna | 551.69 mi (887.86 km) |
