| Hullhorst to Karlovo | 1,001.93 mi (1,612.45 km) |
| Hullhorst to Karnobat | 1,079.56 mi (1,737.38 km) |
| Hullhorst to Kavarna | 1,092.22 mi (1,757.76 km) |
| Hullhorst to Kazanlak | 1,023.90 mi (1,647.81 km) |
| Hullhorst to Knezha | 933.84 mi (1,502.88 km) |
| Hullhorst to Kostinbrod | 939.18 mi (1,511.47 km) |
| Hullhorst to Kozloduy | 907.61 mi (1,460.66 km) |
| Hullhorst to Kyustendil | 950.20 mi (1,529.20 km) |
| Hullhorst to Levski | 977.42 mi (1,573.01 km) |
| Hullhorst to Lom | 888.31 mi (1,429.60 km) |
| Hullhorst to Lovech | 974.14 mi (1,567.72 km) |
| Hullhorst to Lukovit | 951.72 mi (1,531.64 km) |
| Hullhorst to Lyaskovets | 1,011.25 mi (1,627.44 km) |
| Hullhorst to Mezdra | 938.23 mi (1,509.93 km) |
| Hullhorst to Momchilgrad | 1,079.95 mi (1,738.00 km) |
