| Hiddenhausen to Karlovo | 999.04 mi (1,607.80 km) |
| Hiddenhausen to Karnobat | 1,077.27 mi (1,733.70 km) |
| Hiddenhausen to Kavarna | 1,090.59 mi (1,755.14 km) |
| Hiddenhausen to Kazanlak | 1,021.17 mi (1,643.42 km) |
| Hiddenhausen to Knezha | 931.07 mi (1,498.42 km) |
| Hiddenhausen to Kostinbrod | 935.87 mi (1,506.15 km) |
| Hiddenhausen to Kozloduy | 904.85 mi (1,456.22 km) |
| Hiddenhausen to Kyustendil | 946.53 mi (1,523.30 km) |
| Hiddenhausen to Levski | 974.91 mi (1,568.96 km) |
| Hiddenhausen to Lom | 885.41 mi (1,424.93 km) |
| Hiddenhausen to Lovech | 971.41 mi (1,563.33 km) |
| Hiddenhausen to Lukovit | 948.85 mi (1,527.03 km) |
| Hiddenhausen to Lyaskovets | 1,008.79 mi (1,623.50 km) |
| Hiddenhausen to Mezdra | 935.20 mi (1,505.05 km) |
| Hiddenhausen to Momchilgrad | 1,076.84 mi (1,733.01 km) |
