| Birkerod to Karlovo | 1,065.11 mi (1,714.13 km) |
| Birkerod to Karnobat | 1,118.83 mi (1,800.58 km) |
| Birkerod to Kavarna | 1,108.25 mi (1,783.55 km) |
| Birkerod to Kazanlak | 1,080.62 mi (1,739.10 km) |
| Birkerod to Knezha | 995.80 mi (1,602.58 km) |
| Birkerod to Kostinbrod | 1,019.37 mi (1,640.51 km) |
| Birkerod to Kozloduy | 970.41 mi (1,561.72 km) |
| Birkerod to Kyustendil | 1,042.36 mi (1,677.52 km) |
| Birkerod to Levski | 1,028.61 mi (1,655.38 km) |
| Birkerod to Lom | 956.75 mi (1,539.74 km) |
| Birkerod to Lovech | 1,032.86 mi (1,662.22 km) |
| Birkerod to Lukovit | 1,016.18 mi (1,635.38 km) |
| Birkerod to Lyaskovets | 1,058.95 mi (1,704.22 km) |
| Birkerod to Mezdra | 1,008.87 mi (1,623.61 km) |
| Birkerod to Momchilgrad | 1,147.70 mi (1,847.05 km) |
