| Adelphi to Devnya | 5,058.40 mi (8,140.71 km) |
| Adelphi to Dimitrovgrad | 5,028.85 mi (8,093.15 km) |
| Adelphi to Dobrich | 5,053.95 mi (8,133.54 km) |
| Adelphi to Dospat | 4,986.69 mi (8,025.30 km) |
| Adelphi to Dupnitsa | 4,918.12 mi (7,914.96 km) |
| Adelphi to Elhovo | 5,063.14 mi (8,148.34 km) |
| Adelphi to Etropole | 4,931.12 mi (7,935.87 km) |
| Adelphi to Gabrovo | 4,983.87 mi (8,020.76 km) |
| Adelphi to Gorna Oryahovitsa | 4,987.52 mi (8,026.63 km) |
| Adelphi to Gotse Delchev | 4,972.17 mi (8,001.93 km) |
| Adelphi to Harmanli | 5,045.98 mi (8,120.72 km) |
| Adelphi to Haskovo | 5,032.40 mi (8,098.86 km) |
| Adelphi to Ihtiman | 4,939.83 mi (7,949.89 km) |
| Adelphi to Isperih | 5,008.16 mi (8,059.85 km) |
| Adelphi to Kardzhali | 5,036.11 mi (8,104.83 km) |
