| Bad Mergentheim to Karlovo | 860.24 mi (1,384.42 km) |
| Bad Mergentheim to Karnobat | 948.77 mi (1,526.89 km) |
| Bad Mergentheim to Kavarna | 974.51 mi (1,568.32 km) |
| Bad Mergentheim to Kazanlak | 885.06 mi (1,424.37 km) |
| Bad Mergentheim to Knezha | 795.23 mi (1,279.80 km) |
| Bad Mergentheim to Kostinbrod | 790.31 mi (1,271.88 km) |
| Bad Mergentheim to Kozloduy | 769.56 mi (1,238.48 km) |
| Bad Mergentheim to Kyustendil | 794.66 mi (1,278.88 km) |
| Bad Mergentheim to Levski | 843.29 mi (1,357.14 km) |
| Bad Mergentheim to Lom | 747.85 mi (1,203.54 km) |
| Bad Mergentheim to Lovech | 835.86 mi (1,345.19 km) |
| Bad Mergentheim to Lukovit | 811.03 mi (1,305.23 km) |
| Bad Mergentheim to Lyaskovets | 877.89 mi (1,412.83 km) |
| Bad Mergentheim to Mezdra | 794.59 mi (1,278.78 km) |
| Bad Mergentheim to Momchilgrad | 933.51 mi (1,502.34 km) |
