| Bois-Guillaume to Devnya | 1,325.27 mi (2,132.81 km) |
| Bois-Guillaume to Dimitrovgrad | 1,279.20 mi (2,058.67 km) |
| Bois-Guillaume to Dobrich | 1,325.85 mi (2,133.74 km) |
| Bois-Guillaume to Dospat | 1,232.28 mi (1,983.16 km) |
| Bois-Guillaume to Dupnitsa | 1,163.93 mi (1,873.16 km) |
| Bois-Guillaume to Elhovo | 1,317.17 mi (2,119.77 km) |
| Bois-Guillaume to Etropole | 1,181.37 mi (1,901.23 km) |
| Bois-Guillaume to Gabrovo | 1,238.48 mi (1,993.14 km) |
| Bois-Guillaume to Gorna Oryahovitsa | 1,245.51 mi (2,004.45 km) |
| Bois-Guillaume to Gotse Delchev | 1,216.96 mi (1,958.50 km) |
| Bois-Guillaume to Harmanli | 1,296.53 mi (2,086.57 km) |
| Bois-Guillaume to Haskovo | 1,282.04 mi (2,063.25 km) |
| Bois-Guillaume to Ihtiman | 1,187.63 mi (1,911.31 km) |
| Bois-Guillaume to Isperih | 1,276.64 mi (2,054.56 km) |
| Bois-Guillaume to Kardzhali | 1,283.95 mi (2,066.33 km) |
