| Cities | Distance |
|---|---|
| Bolu to Karlovo | 374.70 mi (603.03 km) |
| Bolu to Karnobat | 272.24 mi (438.12 km) |
| Bolu to Kavarna | 250.86 mi (403.73 km) |
| Bolu to Kazanlak | 345.63 mi (556.23 km) |
| Bolu to Knezha | 430.14 mi (692.24 km) |
| Bolu to Kostinbrod | 455.42 mi (732.92 km) |
| Bolu to Kozloduy | 454.15 mi (730.89 km) |
| Bolu to Kyustendil | 473.73 mi (762.40 km) |
| Bolu to Levski | 378.53 mi (609.18 km) |
| Bolu to Lom | 477.89 mi (769.09 km) |
| Bolu to Lovech | 390.89 mi (629.07 km) |
| Bolu to Lukovit | 418.29 mi (673.17 km) |
| Bolu to Lyaskovets | 344.03 mi (553.66 km) |
| Bolu to Mezdra | 439.09 mi (706.65 km) |
| Bolu to Momchilgrad | 326.78 mi (525.90 km) |