| Den Helder to Karlovo | 1,164.76 mi (1,874.51 km) |
| Den Helder to Karnobat | 1,245.48 mi (2,004.41 km) |
| Den Helder to Kavarna | 1,260.58 mi (2,028.70 km) |
| Den Helder to Kazanlak | 1,187.64 mi (1,911.32 km) |
| Den Helder to Knezha | 1,097.42 mi (1,766.12 km) |
| Den Helder to Kostinbrod | 1,099.38 mi (1,769.28 km) |
| Den Helder to Kozloduy | 1,071.27 mi (1,724.04 km) |
| Den Helder to Kyustendil | 1,107.68 mi (1,782.64 km) |
| Den Helder to Levski | 1,142.32 mi (1,838.39 km) |
| Den Helder to Lom | 1,051.20 mi (1,691.75 km) |
| Den Helder to Lovech | 1,137.92 mi (1,831.30 km) |
| Den Helder to Lukovit | 1,114.73 mi (1,793.99 km) |
| Den Helder to Lyaskovets | 1,176.42 mi (1,893.27 km) |
| Den Helder to Mezdra | 1,100.27 mi (1,770.71 km) |
| Den Helder to Momchilgrad | 1,241.37 mi (1,997.80 km) |
