| Langgons to Karlovo | 936.13 mi (1,506.55 km) |
| Langgons to Karnobat | 1,021.71 mi (1,644.29 km) |
| Langgons to Kavarna | 1,043.51 mi (1,679.37 km) |
| Langgons to Kazanlak | 960.20 mi (1,545.29 km) |
| Langgons to Knezha | 870.07 mi (1,400.25 km) |
| Langgons to Kostinbrod | 868.00 mi (1,396.92 km) |
| Langgons to Kozloduy | 844.16 mi (1,358.55 km) |
| Langgons to Kyustendil | 874.08 mi (1,406.70 km) |
| Langgons to Levski | 916.95 mi (1,475.70 km) |
| Langgons to Lom | 823.09 mi (1,324.63 km) |
| Langgons to Lovech | 910.72 mi (1,465.66 km) |
| Langgons to Lukovit | 886.51 mi (1,426.71 km) |
| Langgons to Lyaskovets | 951.42 mi (1,531.16 km) |
| Langgons to Mezdra | 870.87 mi (1,401.52 km) |
| Langgons to Momchilgrad | 1,010.84 mi (1,626.79 km) |
