| Black Forest to Devnya | 6,016.09 mi (9,681.95 km) |
| Black Forest to Dimitrovgrad | 6,023.07 mi (9,693.19 km) |
| Black Forest to Dobrich | 6,003.98 mi (9,662.47 km) |
| Black Forest to Dospat | 6,000.97 mi (9,657.63 km) |
| Black Forest to Dupnitsa | 5,934.44 mi (9,550.55 km) |
| Black Forest to Elhovo | 6,045.73 mi (9,729.66 km) |
| Black Forest to Etropole | 5,930.81 mi (9,544.71 km) |
| Black Forest to Gabrovo | 5,969.61 mi (9,607.16 km) |
| Black Forest to Gorna Oryahovitsa | 5,965.81 mi (9,601.05 km) |
| Black Forest to Gotse Delchev | 5,991.94 mi (9,643.09 km) |
| Black Forest to Harmanli | 6,038.69 mi (9,718.33 km) |
| Black Forest to Haskovo | 6,028.55 mi (9,702.01 km) |
| Black Forest to Ihtiman | 5,946.84 mi (9,570.51 km) |
| Black Forest to Isperih | 5,966.62 mi (9,602.35 km) |
| Black Forest to Kardzhali | 6,038.17 mi (9,717.49 km) |
