| Bierbeek to Karnobat | 1,188.37 mi (1,912.50 km) |
| Bierbeek to Kavarna | 1,213.05 mi (1,952.21 km) |
| Bierbeek to Kazanlak | 1,124.58 mi (1,809.84 km) |
| Bierbeek to Knezha | 1,034.80 mi (1,665.36 km) |
| Bierbeek to Kostinbrod | 1,028.89 mi (1,655.84 km) |
| Bierbeek to Kozloduy | 1,009.16 mi (1,624.09 km) |
| Bierbeek to Kyustendil | 1,031.78 mi (1,660.50 km) |
| Bierbeek to Levski | 1,082.92 mi (1,742.80 km) |
| Bierbeek to Lom | 987.37 mi (1,589.03 km) |
| Bierbeek to Lovech | 1,075.43 mi (1,730.74 km) |
| Bierbeek to Lukovit | 1,050.50 mi (1,690.61 km) |
| Bierbeek to Lyaskovets | 1,117.52 mi (1,798.48 km) |
| Bierbeek to Mezdra | 1,033.84 mi (1,663.81 km) |
| Bierbeek to Momchilgrad | 1,172.20 mi (1,886.48 km) |
| Bierbeek to Montana | 1,003.92 mi (1,615.66 km) |
