| Calais to Karlovo | 1,220.77 mi (1,964.64 km) |
| Calais to Karnobat | 1,311.46 mi (2,110.60 km) |
| Calais to Kavarna | 1,338.00 mi (2,153.30 km) |
| Calais to Kazanlak | 1,246.30 mi (2,005.72 km) |
| Calais to Knezha | 1,156.86 mi (1,861.79 km) |
| Calais to Kostinbrod | 1,148.63 mi (1,848.55 km) |
| Calais to Kozloduy | 1,131.42 mi (1,820.84 km) |
| Calais to Kyustendil | 1,149.61 mi (1,850.11 km) |
| Calais to Levski | 1,205.68 mi (1,940.35 km) |
| Calais to Lom | 1,109.24 mi (1,785.14 km) |
| Calais to Lovech | 1,197.42 mi (1,927.06 km) |
| Calais to Lukovit | 1,172.07 mi (1,886.27 km) |
| Calais to Lyaskovets | 1,240.33 mi (1,996.12 km) |
| Calais to Mezdra | 1,154.84 mi (1,858.53 km) |
| Calais to Momchilgrad | 1,291.98 mi (2,079.23 km) |
