| Bad Mergentheim to Devnya | 950.14 mi (1,529.10 km) |
| Bad Mergentheim to Dimitrovgrad | 917.52 mi (1,476.60 km) |
| Bad Mergentheim to Dobrich | 948.36 mi (1,526.25 km) |
| Bad Mergentheim to Dospat | 880.21 mi (1,416.56 km) |
| Bad Mergentheim to Dupnitsa | 811.82 mi (1,306.49 km) |
| Bad Mergentheim to Elhovo | 951.14 mi (1,530.72 km) |
| Bad Mergentheim to Etropole | 820.11 mi (1,319.84 km) |
| Bad Mergentheim to Gabrovo | 871.87 mi (1,403.14 km) |
| Bad Mergentheim to Gorna Oryahovitsa | 875.86 mi (1,409.57 km) |
| Bad Mergentheim to Gotse Delchev | 867.89 mi (1,396.74 km) |
| Bad Mergentheim to Harmanli | 934.53 mi (1,503.99 km) |
| Bad Mergentheim to Haskovo | 921.36 mi (1,482.78 km) |
| Bad Mergentheim to Ihtiman | 830.51 mi (1,336.58 km) |
| Bad Mergentheim to Isperih | 900.50 mi (1,449.22 km) |
| Bad Mergentheim to Kardzhali | 926.25 mi (1,490.65 km) |
