| Boulogne-Billancourt to Devnya | 1,268.60 mi (2,041.62 km) |
| Boulogne-Billancourt to Dimitrovgrad | 1,219.38 mi (1,962.41 km) |
| Boulogne-Billancourt to Dobrich | 1,269.97 mi (2,043.82 km) |
| Boulogne-Billancourt to Dospat | 1,170.97 mi (1,884.49 km) |
| Boulogne-Billancourt to Dupnitsa | 1,102.78 mi (1,774.75 km) |
| Boulogne-Billancourt to Elhovo | 1,258.16 mi (2,024.81 km) |
| Boulogne-Billancourt to Etropole | 1,121.68 mi (1,805.18 km) |
| Boulogne-Billancourt to Gabrovo | 1,179.74 mi (1,898.61 km) |
| Boulogne-Billancourt to Gorna Oryahovitsa | 1,187.46 mi (1,911.04 km) |
| Boulogne-Billancourt to Gotse Delchev | 1,155.26 mi (1,859.22 km) |
| Boulogne-Billancourt to Harmanli | 1,236.75 mi (1,990.35 km) |
| Boulogne-Billancourt to Haskovo | 1,222.04 mi (1,966.68 km) |
| Boulogne-Billancourt to Ihtiman | 1,127.21 mi (1,814.06 km) |
| Boulogne-Billancourt to Isperih | 1,220.39 mi (1,964.02 km) |
| Boulogne-Billancourt to Kardzhali | 1,223.42 mi (1,968.91 km) |
