| Johnston to Devnya | 5,530.88 mi (8,901.09 km) |
| Johnston to Dimitrovgrad | 5,526.38 mi (8,893.85 km) |
| Johnston to Dobrich | 5,521.10 mi (8,885.36 km) |
| Johnston to Dospat | 5,497.85 mi (8,847.94 km) |
| Johnston to Dupnitsa | 5,430.14 mi (8,738.97 km) |
| Johnston to Elhovo | 5,552.89 mi (8,936.51 km) |
| Johnston to Etropole | 5,431.62 mi (8,741.35 km) |
| Johnston to Gabrovo | 5,475.12 mi (8,811.35 km) |
| Johnston to Gorna Oryahovitsa | 5,473.62 mi (8,808.94 km) |
| Johnston to Gotse Delchev | 5,487.05 mi (8,830.56 km) |
| Johnston to Harmanli | 5,542.61 mi (8,919.96 km) |
| Johnston to Haskovo | 5,531.30 mi (8,901.77 km) |
| Johnston to Ihtiman | 5,445.52 mi (8,763.71 km) |
| Johnston to Isperih | 5,480.71 mi (8,820.35 km) |
| Johnston to Kardzhali | 5,539.16 mi (8,914.41 km) |
