| Laon to Karlovo | 1,116.69 mi (1,797.14 km) |
| Laon to Karnobat | 1,210.89 mi (1,948.74 km) |
| Laon to Kavarna | 1,242.38 mi (1,999.41 km) |
| Laon to Kazanlak | 1,143.11 mi (1,839.65 km) |
| Laon to Knezha | 1,054.56 mi (1,697.15 km) |
| Laon to Kostinbrod | 1,042.46 mi (1,677.68 km) |
| Laon to Kozloduy | 1,029.59 mi (1,656.96 km) |
| Laon to Kyustendil | 1,040.86 mi (1,675.10 km) |
| Laon to Levski | 1,104.65 mi (1,777.77 km) |
| Laon to Lom | 1,006.71 mi (1,620.14 km) |
| Laon to Lovech | 1,094.86 mi (1,762.01 km) |
| Laon to Lukovit | 1,068.82 mi (1,720.10 km) |
| Laon to Lyaskovets | 1,139.31 mi (1,833.54 km) |
| Laon to Mezdra | 1,050.62 mi (1,690.81 km) |
| Laon to Momchilgrad | 1,185.49 mi (1,907.86 km) |
