| Aspen Hill to Devnya | 5,058.80 mi (8,141.36 km) |
| Aspen Hill to Dimitrovgrad | 5,029.55 mi (8,094.27 km) |
| Aspen Hill to Dobrich | 5,054.28 mi (8,134.08 km) |
| Aspen Hill to Dospat | 4,987.54 mi (8,026.67 km) |
| Aspen Hill to Dupnitsa | 4,918.97 mi (7,916.32 km) |
| Aspen Hill to Elhovo | 5,063.75 mi (8,149.32 km) |
| Aspen Hill to Etropole | 4,931.83 mi (7,937.01 km) |
| Aspen Hill to Gabrovo | 4,984.48 mi (8,021.74 km) |
| Aspen Hill to Gorna Oryahovitsa | 4,988.06 mi (8,027.51 km) |
| Aspen Hill to Gotse Delchev | 4,973.06 mi (8,003.37 km) |
| Aspen Hill to Harmanli | 5,046.67 mi (8,121.83 km) |
| Aspen Hill to Haskovo | 5,033.11 mi (8,100.00 km) |
| Aspen Hill to Ihtiman | 4,940.61 mi (7,951.14 km) |
| Aspen Hill to Isperih | 5,008.55 mi (8,060.48 km) |
| Aspen Hill to Kardzhali | 5,036.87 mi (8,106.06 km) |
