| Loughton to Karlovo | 1,309.31 mi (2,107.14 km) |
| Loughton to Karnobat | 1,398.85 mi (2,251.24 km) |
| Loughton to Kavarna | 1,423.63 mi (2,291.11 km) |
| Loughton to Kazanlak | 1,334.56 mi (2,147.77 km) |
| Loughton to Knezha | 1,244.92 mi (2,003.51 km) |
| Loughton to Kostinbrod | 1,237.80 mi (1,992.05 km) |
| Loughton to Kozloduy | 1,219.35 mi (1,962.36 km) |
| Loughton to Kyustendil | 1,239.42 mi (1,994.65 km) |
| Loughton to Levski | 1,293.30 mi (2,081.36 km) |
| Loughton to Lom | 1,197.40 mi (1,927.03 km) |
| Loughton to Lovech | 1,285.52 mi (2,068.85 km) |
| Loughton to Lukovit | 1,260.41 mi (2,028.43 km) |
| Loughton to Lyaskovets | 1,327.92 mi (2,137.08 km) |
| Loughton to Mezdra | 1,243.47 mi (2,001.17 km) |
| Loughton to Momchilgrad | 1,381.16 mi (2,222.76 km) |
