| Birkenau to Devnya | 996.34 mi (1,603.45 km) |
| Birkenau to Dimitrovgrad | 961.75 mi (1,547.79 km) |
| Birkenau to Dobrich | 994.89 mi (1,601.12 km) |
| Birkenau to Dospat | 922.95 mi (1,485.35 km) |
| Birkenau to Dupnitsa | 854.45 mi (1,375.10 km) |
| Birkenau to Elhovo | 996.04 mi (1,602.97 km) |
| Birkenau to Etropole | 864.16 mi (1,390.73 km) |
| Birkenau to Gabrovo | 916.78 mi (1,475.42 km) |
| Birkenau to Gorna Oryahovitsa | 921.23 mi (1,482.57 km) |
| Birkenau to Gotse Delchev | 910.16 mi (1,464.76 km) |
| Birkenau to Harmanli | 978.83 mi (1,575.27 km) |
| Birkenau to Haskovo | 965.44 mi (1,553.73 km) |
| Birkenau to Ihtiman | 873.95 mi (1,406.48 km) |
| Birkenau to Isperih | 946.82 mi (1,523.76 km) |
| Birkenau to Kardzhali | 969.90 mi (1,560.90 km) |
