| Gunbarrel to Devnya | 5,971.94 mi (9,610.91 km) |
| Gunbarrel to Dimitrovgrad | 5,980.88 mi (9,625.29 km) |
| Gunbarrel to Dobrich | 5,959.46 mi (9,590.83 km) |
| Gunbarrel to Dospat | 5,959.95 mi (9,591.62 km) |
| Gunbarrel to Dupnitsa | 5,893.69 mi (9,484.98 km) |
| Gunbarrel to Elhovo | 6,002.84 mi (9,660.64 km) |
| Gunbarrel to Etropole | 5,889.13 mi (9,477.64 km) |
| Gunbarrel to Gabrovo | 5,927.08 mi (9,538.71 km) |
| Gunbarrel to Gorna Oryahovitsa | 5,922.88 mi (9,531.96 km) |
| Gunbarrel to Gotse Delchev | 5,951.26 mi (9,577.62 km) |
| Gunbarrel to Harmanli | 5,996.37 mi (9,650.23 km) |
| Gunbarrel to Haskovo | 5,986.45 mi (9,634.26 km) |
| Gunbarrel to Ihtiman | 5,905.53 mi (9,504.04 km) |
| Gunbarrel to Isperih | 5,922.63 mi (9,531.56 km) |
| Gunbarrel to Kardzhali | 5,996.38 mi (9,650.23 km) |
