| Lockhart to Karlovo | 6,238.71 mi (10,040.24 km) |
| Lockhart to Karnobat | 6,319.11 mi (10,169.63 km) |
| Lockhart to Kavarna | 6,328.29 mi (10,184.40 km) |
| Lockhart to Kazanlak | 6,261.95 mi (10,077.64 km) |
| Lockhart to Knezha | 6,171.72 mi (9,932.42 km) |
| Lockhart to Kostinbrod | 6,171.08 mi (9,931.40 km) |
| Lockhart to Kozloduy | 6,145.59 mi (9,890.38 km) |
| Lockhart to Kyustendil | 6,175.36 mi (9,938.29 km) |
| Lockhart to Levski | 6,216.60 mi (10,004.65 km) |
| Lockhart to Lom | 6,125.29 mi (9,857.70 km) |
| Lockhart to Lovech | 6,212.25 mi (9,997.65 km) |
| Lockhart to Lukovit | 6,188.82 mi (9,959.94 km) |
| Lockhart to Lyaskovets | 6,250.59 mi (10,059.36 km) |
| Lockhart to Mezdra | 6,173.78 mi (9,935.74 km) |
| Lockhart to Momchilgrad | 6,314.01 mi (10,161.41 km) |
