| Blyth to Devnya | 1,533.08 mi (2,467.26 km) |
| Blyth to Dimitrovgrad | 1,517.66 mi (2,442.43 km) |
| Blyth to Dobrich | 1,526.74 mi (2,457.05 km) |
| Blyth to Dospat | 1,487.14 mi (2,393.32 km) |
| Blyth to Dupnitsa | 1,419.40 mi (2,284.31 km) |
| Blyth to Elhovo | 1,546.69 mi (2,489.15 km) |
| Blyth to Etropole | 1,421.94 mi (2,288.39 km) |
| Blyth to Gabrovo | 1,468.04 mi (2,362.57 km) |
| Blyth to Gorna Oryahovitsa | 1,468.48 mi (2,363.29 km) |
| Blyth to Gotse Delchev | 1,476.35 mi (2,375.95 km) |
| Blyth to Harmanli | 1,534.17 mi (2,469.01 km) |
| Blyth to Haskovo | 1,522.26 mi (2,449.84 km) |
| Blyth to Ihtiman | 1,435.11 mi (2,309.59 km) |
| Blyth to Isperih | 1,482.63 mi (2,386.06 km) |
| Blyth to Kardzhali | 1,529.32 mi (2,461.20 km) |
