| Echelon to Karlovo | 4,853.80 mi (7,811.43 km) |
| Echelon to Karnobat | 4,942.47 mi (7,954.14 km) |
| Echelon to Kavarna | 4,962.32 mi (7,986.08 km) |
| Echelon to Kazanlak | 4,879.08 mi (7,852.12 km) |
| Echelon to Knezha | 4,789.37 mi (7,707.75 km) |
| Echelon to Kostinbrod | 4,781.50 mi (7,695.09 km) |
| Echelon to Kozloduy | 4,763.73 mi (7,666.49 km) |
| Echelon to Kyustendil | 4,780.86 mi (7,694.05 km) |
| Echelon to Levski | 4,837.34 mi (7,784.94 km) |
| Echelon to Lom | 4,741.90 mi (7,631.35 km) |
| Echelon to Lovech | 4,829.99 mi (7,773.12 km) |
| Echelon to Lukovit | 4,804.93 mi (7,732.79 km) |
| Echelon to Lyaskovets | 4,871.90 mi (7,840.56 km) |
| Echelon to Mezdra | 4,787.90 mi (7,705.38 km) |
| Echelon to Momchilgrad | 4,924.79 mi (7,925.68 km) |
