| Bertrix to Karnobat | 1,146.40 mi (1,844.95 km) |
| Bertrix to Kavarna | 1,175.29 mi (1,891.45 km) |
| Bertrix to Kazanlak | 1,080.22 mi (1,738.44 km) |
| Bertrix to Knezha | 991.06 mi (1,594.95 km) |
| Bertrix to Kostinbrod | 981.66 mi (1,579.82 km) |
| Bertrix to Kozloduy | 965.77 mi (1,554.26 km) |
| Bertrix to Kyustendil | 982.17 mi (1,580.64 km) |
| Bertrix to Levski | 1,040.38 mi (1,674.33 km) |
| Bertrix to Lom | 943.33 mi (1,518.13 km) |
| Bertrix to Lovech | 1,031.54 mi (1,660.10 km) |
| Bertrix to Lukovit | 1,005.94 mi (1,618.91 km) |
| Bertrix to Lyaskovets | 1,075.05 mi (1,730.13 km) |
| Bertrix to Mezdra | 988.39 mi (1,590.66 km) |
| Bertrix to Momchilgrad | 1,124.96 mi (1,810.45 km) |
| Bertrix to Montana | 958.49 mi (1,542.55 km) |
