| Bolbec to Devnya | 1,355.02 mi (2,180.69 km) |
| Bolbec to Dimitrovgrad | 1,309.06 mi (2,106.73 km) |
| Bolbec to Dobrich | 1,355.54 mi (2,181.52 km) |
| Bolbec to Dospat | 1,262.09 mi (2,031.14 km) |
| Bolbec to Dupnitsa | 1,193.75 mi (1,921.16 km) |
| Bolbec to Elhovo | 1,347.02 mi (2,167.82 km) |
| Bolbec to Etropole | 1,211.23 mi (1,949.29 km) |
| Bolbec to Gabrovo | 1,268.33 mi (2,041.18 km) |
| Bolbec to Gorna Oryahovitsa | 1,275.33 mi (2,052.45 km) |
| Bolbec to Gotse Delchev | 1,246.74 mi (2,006.44 km) |
| Bolbec to Harmanli | 1,326.40 mi (2,134.63 km) |
| Bolbec to Haskovo | 1,311.90 mi (2,111.30 km) |
| Bolbec to Ihtiman | 1,217.49 mi (1,959.35 km) |
| Bolbec to Isperih | 1,306.36 mi (2,102.39 km) |
| Bolbec to Kardzhali | 1,313.80 mi (2,114.36 km) |
