| Haddington to Karlovo | 1,529.29 mi (2,461.16 km) |
| Haddington to Karnobat | 1,606.81 mi (2,585.92 km) |
| Haddington to Kavarna | 1,617.07 mi (2,602.43 km) |
| Haddington to Kazanlak | 1,551.44 mi (2,496.80 km) |
| Haddington to Knezha | 1,461.35 mi (2,351.81 km) |
| Haddington to Kostinbrod | 1,465.40 mi (2,358.33 km) |
| Haddington to Kozloduy | 1,435.12 mi (2,309.61 km) |
| Haddington to Kyustendil | 1,474.58 mi (2,373.10 km) |
| Haddington to Levski | 1,504.97 mi (2,422.01 km) |
| Haddington to Lom | 1,415.66 mi (2,278.29 km) |
| Haddington to Lovech | 1,501.68 mi (2,416.71 km) |
| Haddington to Lukovit | 1,479.11 mi (2,380.40 km) |
| Haddington to Lyaskovets | 1,538.75 mi (2,476.37 km) |
| Haddington to Mezdra | 1,465.32 mi (2,358.20 km) |
| Haddington to Momchilgrad | 1,606.83 mi (2,585.94 km) |
