| Cities | Distance |
|---|---|
| Birkenfeld to Karlovo | 887.81 mi (1,428.79 km) |
| Birkenfeld to Karnobat | 980.53 mi (1,578.00 km) |
| Birkenfeld to Kavarna | 1,011.22 mi (1,627.40 km) |
| Birkenfeld to Kazanlak | 913.76 mi (1,470.56 km) |
| Birkenfeld to Knezha | 824.76 mi (1,327.33 km) |
| Birkenfeld to Kostinbrod | 814.95 mi (1,311.53 km) |
| Birkenfeld to Kozloduy | 799.58 mi (1,286.81 km) |
| Birkenfeld to Kyustendil | 815.68 mi (1,312.72 km) |
| Birkenfeld to Levski | 874.39 mi (1,407.20 km) |
| Birkenfeld to Lom | 776.99 mi (1,250.44 km) |
| Birkenfeld to Lovech | 865.20 mi (1,392.40 km) |
| Birkenfeld to Lukovit | 839.48 mi (1,351.00 km) |
| Birkenfeld to Lyaskovets | 909.06 mi (1,462.99 km) |
| Birkenfeld to Mezdra | 821.79 mi (1,322.55 km) |
| Birkenfeld to Momchilgrad | 958.26 mi (1,542.16 km) |