| Friendly to Karlovo | 4,982.69 mi (8,018.87 km) |
| Friendly to Karnobat | 5,071.16 mi (8,161.25 km) |
| Friendly to Kavarna | 5,090.69 mi (8,192.67 km) |
| Friendly to Kazanlak | 5,007.93 mi (8,059.48 km) |
| Friendly to Knezha | 4,918.19 mi (7,915.07 km) |
| Friendly to Kostinbrod | 4,910.50 mi (7,902.69 km) |
| Friendly to Kozloduy | 4,892.54 mi (7,873.78 km) |
| Friendly to Kyustendil | 4,909.96 mi (7,901.82 km) |
| Friendly to Levski | 4,966.08 mi (7,992.14 km) |
| Friendly to Lom | 4,870.74 mi (7,838.70 km) |
| Friendly to Lovech | 4,958.82 mi (7,980.44 km) |
| Friendly to Lukovit | 4,933.79 mi (7,940.17 km) |
| Friendly to Lyaskovets | 5,000.63 mi (8,047.74 km) |
| Friendly to Mezdra | 4,916.82 mi (7,912.85 km) |
| Friendly to Momchilgrad | 5,053.80 mi (8,133.30 km) |
