| Hildburghausen to Devnya | 934.69 mi (1,504.24 km) |
| Hildburghausen to Dimitrovgrad | 912.47 mi (1,468.48 km) |
| Hildburghausen to Dobrich | 930.70 mi (1,497.82 km) |
| Hildburghausen to Dospat | 881.29 mi (1,418.30 km) |
| Hildburghausen to Dupnitsa | 813.67 mi (1,309.48 km) |
| Hildburghausen to Elhovo | 942.88 mi (1,517.42 km) |
| Hildburghausen to Etropole | 816.32 mi (1,313.75 km) |
| Hildburghausen to Gabrovo | 863.88 mi (1,390.29 km) |
| Hildburghausen to Gorna Oryahovitsa | 865.58 mi (1,393.01 km) |
| Hildburghausen to Gotse Delchev | 870.76 mi (1,401.35 km) |
| Hildburghausen to Harmanli | 929.13 mi (1,495.28 km) |
| Hildburghausen to Haskovo | 916.91 mi (1,475.63 km) |
| Hildburghausen to Ihtiman | 829.22 mi (1,334.49 km) |
| Hildburghausen to Isperih | 884.47 mi (1,423.42 km) |
| Hildburghausen to Kardzhali | 923.60 mi (1,486.39 km) |
