| Bulancak to Devnya | 568.88 mi (915.52 km) |
| Bulancak to Dimitrovgrad | 657.75 mi (1,058.55 km) |
| Bulancak to Dobrich | 561.69 mi (903.96 km) |
| Bulancak to Dospat | 731.12 mi (1,176.62 km) |
| Bulancak to Dupnitsa | 785.31 mi (1,263.83 km) |
| Bulancak to Elhovo | 608.75 mi (979.69 km) |
| Bulancak to Etropole | 742.90 mi (1,195.58 km) |
| Bulancak to Gabrovo | 676.00 mi (1,087.92 km) |
| Bulancak to Gorna Oryahovitsa | 660.23 mi (1,062.53 km) |
| Bulancak to Gotse Delchev | 753.62 mi (1,212.83 km) |
| Bulancak to Harmanli | 642.04 mi (1,033.26 km) |
| Bulancak to Haskovo | 659.16 mi (1,060.82 km) |
| Bulancak to Ihtiman | 750.19 mi (1,207.32 km) |
| Bulancak to Isperih | 612.68 mi (986.01 km) |
| Bulancak to Kardzhali | 669.16 mi (1,076.92 km) |
