| Port-de-Bouc to Karlovo | 1,000.09 mi (1,609.49 km) |
| Port-de-Bouc to Karnobat | 1,109.14 mi (1,784.98 km) |
| Port-de-Bouc to Kavarna | 1,167.71 mi (1,879.25 km) |
| Port-de-Bouc to Kazanlak | 1,030.10 mi (1,657.78 km) |
| Port-de-Bouc to Knezha | 955.67 mi (1,537.99 km) |
| Port-de-Bouc to Kostinbrod | 918.50 mi (1,478.18 km) |
| Port-de-Bouc to Kozloduy | 936.35 mi (1,506.91 km) |
| Port-de-Bouc to Kyustendil | 898.05 mi (1,445.27 km) |
| Port-de-Bouc to Levski | 1,009.06 mi (1,623.93 km) |
| Port-de-Bouc to Lom | 911.47 mi (1,466.87 km) |
| Port-de-Bouc to Lovech | 990.39 mi (1,593.87 km) |
| Port-de-Bouc to Lukovit | 962.29 mi (1,548.66 km) |
| Port-de-Bouc to Lyaskovets | 1,040.63 mi (1,674.74 km) |
| Port-de-Bouc to Mezdra | 939.42 mi (1,511.86 km) |
| Port-de-Bouc to Momchilgrad | 1,046.47 mi (1,684.13 km) |
