| Heerenveen to Karlovo | 1,122.97 mi (1,807.24 km) |
| Heerenveen to Karnobat | 1,202.07 mi (1,934.54 km) |
| Heerenveen to Kavarna | 1,215.60 mi (1,956.33 km) |
| Heerenveen to Kazanlak | 1,145.39 mi (1,843.33 km) |
| Heerenveen to Knezha | 1,055.23 mi (1,698.23 km) |
| Heerenveen to Kostinbrod | 1,058.81 mi (1,703.99 km) |
| Heerenveen to Kozloduy | 1,029.03 mi (1,656.07 km) |
| Heerenveen to Kyustendil | 1,068.32 mi (1,719.29 km) |
| Heerenveen to Levski | 1,099.46 mi (1,769.40 km) |
| Heerenveen to Lom | 1,009.34 mi (1,624.38 km) |
| Heerenveen to Lovech | 1,095.64 mi (1,763.26 km) |
| Heerenveen to Lukovit | 1,072.83 mi (1,726.55 km) |
| Heerenveen to Lyaskovets | 1,133.41 mi (1,824.05 km) |
| Heerenveen to Mezdra | 1,058.84 mi (1,704.03 km) |
| Heerenveen to Momchilgrad | 1,200.28 mi (1,931.66 km) |
