| Dortmund to Devnya | 1,096.22 mi (1,764.19 km) |
| Dortmund to Dimitrovgrad | 1,073.88 mi (1,728.25 km) |
| Dortmund to Dobrich | 1,091.91 mi (1,757.26 km) |
| Dortmund to Dospat | 1,041.41 mi (1,675.99 km) |
| Dortmund to Dupnitsa | 973.51 mi (1,566.72 km) |
| Dortmund to Elhovo | 1,104.61 mi (1,777.71 km) |
| Dortmund to Etropole | 977.49 mi (1,573.13 km) |
| Dortmund to Gabrovo | 1,025.58 mi (1,650.51 km) |
| Dortmund to Gorna Oryahovitsa | 1,027.38 mi (1,653.40 km) |
| Dortmund to Gotse Delchev | 1,030.34 mi (1,658.17 km) |
| Dortmund to Harmanli | 1,090.59 mi (1,755.14 km) |
| Dortmund to Haskovo | 1,078.24 mi (1,735.26 km) |
| Dortmund to Ihtiman | 989.90 mi (1,593.09 km) |
| Dortmund to Isperih | 1,045.96 mi (1,683.30 km) |
| Dortmund to Kardzhali | 1,084.63 mi (1,745.54 km) |
