| Lockhart to Devnya | 6,311.74 mi (10,157.77 km) |
| Lockhart to Dimitrovgrad | 6,296.30 mi (10,132.92 km) |
| Lockhart to Dobrich | 6,304.11 mi (10,145.48 km) |
| Lockhart to Dospat | 6,261.25 mi (10,076.51 km) |
| Lockhart to Dupnitsa | 6,192.82 mi (9,966.37 km) |
| Lockhart to Elhovo | 6,326.44 mi (10,181.42 km) |
| Lockhart to Etropole | 6,199.73 mi (9,977.50 km) |
| Lockhart to Gabrovo | 6,247.63 mi (10,054.58 km) |
| Lockhart to Gorna Oryahovitsa | 6,248.40 mi (10,055.82 km) |
| Lockhart to Gotse Delchev | 6,248.61 mi (10,056.16 km) |
| Lockhart to Harmanli | 6,313.02 mi (10,159.82 km) |
| Lockhart to Haskovo | 6,300.61 mi (10,139.86 km) |
| Lockhart to Ihtiman | 6,211.27 mi (9,996.08 km) |
| Lockhart to Isperih | 6,261.30 mi (10,076.59 km) |
| Lockhart to Kardzhali | 6,306.59 mi (10,149.48 km) |
