| Ladenburg to Devnya | 998.06 mi (1,606.22 km) |
| Ladenburg to Dimitrovgrad | 962.51 mi (1,549.01 km) |
| Ladenburg to Dobrich | 996.82 mi (1,604.23 km) |
| Ladenburg to Dospat | 923.16 mi (1,485.68 km) |
| Ladenburg to Dupnitsa | 854.62 mi (1,375.38 km) |
| Ladenburg to Elhovo | 997.09 mi (1,604.66 km) |
| Ladenburg to Etropole | 864.86 mi (1,391.85 km) |
| Ladenburg to Gabrovo | 917.84 mi (1,477.12 km) |
| Ladenburg to Gorna Oryahovitsa | 922.50 mi (1,484.62 km) |
| Ladenburg to Gotse Delchev | 910.20 mi (1,464.83 km) |
| Ladenburg to Harmanli | 979.62 mi (1,576.54 km) |
| Ladenburg to Haskovo | 966.15 mi (1,554.86 km) |
| Ladenburg to Ihtiman | 874.41 mi (1,407.22 km) |
| Ladenburg to Isperih | 948.62 mi (1,526.65 km) |
| Ladenburg to Kardzhali | 970.43 mi (1,561.76 km) |
