| Cities | Distance |
|---|---|
| Bolu to Devnya | 269.18 mi (433.21 km) |
| Bolu to Dimitrovgrad | 324.30 mi (521.91 km) |
| Bolu to Dobrich | 275.01 mi (442.59 km) |
| Bolu to Dospat | 391.87 mi (630.66 km) |
| Bolu to Dupnitsa | 451.62 mi (726.81 km) |
| Bolu to Elhovo | 279.11 mi (449.19 km) |
| Bolu to Etropole | 417.71 mi (672.24 km) |
| Bolu to Gabrovo | 355.03 mi (571.37 km) |
| Bolu to Gorna Oryahovitsa | 345.81 mi (556.52 km) |
| Bolu to Gotse Delchev | 413.53 mi (665.51 km) |
| Bolu to Harmanli | 307.40 mi (494.71 km) |
| Bolu to Haskovo | 324.08 mi (521.55 km) |
| Bolu to Ihtiman | 419.29 mi (674.79 km) |
| Bolu to Isperih | 319.46 mi (514.12 km) |
| Bolu to Kardzhali | 330.50 mi (531.89 km) |