| Gross-Umstadt to Karlovo | 904.99 mi (1,456.44 km) |
| Gross-Umstadt to Karnobat | 993.02 mi (1,598.11 km) |
| Gross-Umstadt to Kavarna | 1,017.86 mi (1,638.09 km) |
| Gross-Umstadt to Kazanlak | 929.70 mi (1,496.21 km) |
| Gross-Umstadt to Knezha | 839.81 mi (1,351.54 km) |
| Gross-Umstadt to Kostinbrod | 835.27 mi (1,344.23 km) |
| Gross-Umstadt to Kozloduy | 814.09 mi (1,310.15 km) |
| Gross-Umstadt to Kyustendil | 839.71 mi (1,351.39 km) |
| Gross-Umstadt to Levski | 887.66 mi (1,428.56 km) |
| Gross-Umstadt to Lom | 792.48 mi (1,275.38 km) |
| Gross-Umstadt to Lovech | 880.45 mi (1,416.95 km) |
| Gross-Umstadt to Lukovit | 855.72 mi (1,377.14 km) |
| Gross-Umstadt to Lyaskovets | 922.25 mi (1,484.21 km) |
| Gross-Umstadt to Mezdra | 839.39 mi (1,350.87 km) |
| Gross-Umstadt to Momchilgrad | 978.44 mi (1,574.65 km) |
