| North Adams to Devnya | 4,739.58 mi (7,627.62 km) |
| North Adams to Dimitrovgrad | 4,712.20 mi (7,583.55 km) |
| North Adams to Dobrich | 4,734.71 mi (7,619.77 km) |
| North Adams to Dospat | 4,671.34 mi (7,517.80 km) |
| North Adams to Dupnitsa | 4,602.75 mi (7,407.40 km) |
| North Adams to Elhovo | 4,745.81 mi (7,637.65 km) |
| North Adams to Etropole | 4,614.59 mi (7,426.47 km) |
| North Adams to Gabrovo | 4,666.55 mi (7,510.08 km) |
| North Adams to Gorna Oryahovitsa | 4,669.74 mi (7,515.22 km) |
| North Adams to Gotse Delchev | 4,657.20 mi (7,495.03 km) |
| North Adams to Harmanli | 4,729.27 mi (7,611.02 km) |
| North Adams to Haskovo | 4,715.88 mi (7,589.47 km) |
| North Adams to Ihtiman | 4,623.83 mi (7,441.34 km) |
| North Adams to Isperih | 4,689.27 mi (7,546.65 km) |
| North Adams to Kardzhali | 4,720.01 mi (7,596.12 km) |
