| Kostinbrod to Bahcesaray | 1,076.54 mi (1,732.53 km) |
| Kostinbrod to Balikesir | 327.30 mi (526.74 km) |
| Kostinbrod to Balya | 310.23 mi (499.27 km) |
| Kostinbrod to Banaz | 442.99 mi (712.93 km) |
| Kostinbrod to Bandirma | 298.77 mi (480.82 km) |
| Kostinbrod to Bartin | 473.50 mi (762.03 km) |
| Kostinbrod to Baskale | 1,138.98 mi (1,833.02 km) |
| Kostinbrod to Baskil | 867.06 mi (1,395.40 km) |
| Kostinbrod to Basmakci | 493.41 mi (794.07 km) |
| Kostinbrod to Batman | 1,000.54 mi (1,610.22 km) |
| Kostinbrod to Battalgazi | 849.01 mi (1,366.35 km) |
| Kostinbrod to Bayat | 588.40 mi (946.94 km) |
| Kostinbrod to Bayburt | 895.69 mi (1,441.48 km) |
| Kostinbrod to Bayindir | 393.67 mi (633.55 km) |
| Kostinbrod to Baykan | 1,024.75 mi (1,649.17 km) |
