| Cities | Distance |
|---|---|
| Heidelberg to Karlovo | 899.89 mi (1,448.24 km) |
| Heidelberg to Karnobat | 990.18 mi (1,593.54 km) |
| Heidelberg to Kavarna | 1,017.77 mi (1,637.94 km) |
| Heidelberg to Kazanlak | 925.21 mi (1,488.98 km) |
| Heidelberg to Knezha | 835.66 mi (1,344.87 km) |
| Heidelberg to Kostinbrod | 828.64 mi (1,333.57 km) |
| Heidelberg to Kozloduy | 810.18 mi (1,303.85 km) |
| Heidelberg to Kyustendil | 831.34 mi (1,337.91 km) |
| Heidelberg to Levski | 884.39 mi (1,423.28 km) |
| Heidelberg to Lom | 788.08 mi (1,268.30 km) |
| Heidelberg to Lovech | 876.24 mi (1,410.17 km) |
| Heidelberg to Lukovit | 851.02 mi (1,369.59 km) |
| Heidelberg to Lyaskovets | 919.04 mi (1,479.05 km) |
| Heidelberg to Mezdra | 834.05 mi (1,342.27 km) |
| Heidelberg to Momchilgrad | 971.98 mi (1,564.25 km) |