| Hoeilaart to Karnobat | 1,199.19 mi (1,929.90 km) |
| Hoeilaart to Kavarna | 1,224.45 mi (1,970.56 km) |
| Hoeilaart to Kazanlak | 1,135.01 mi (1,826.62 km) |
| Hoeilaart to Knezha | 1,045.32 mi (1,682.27 km) |
| Hoeilaart to Kostinbrod | 1,038.82 mi (1,671.81 km) |
| Hoeilaart to Kozloduy | 1,019.73 mi (1,641.09 km) |
| Hoeilaart to Kyustendil | 1,041.27 mi (1,675.76 km) |
| Hoeilaart to Levski | 1,093.63 mi (1,760.03 km) |
| Hoeilaart to Lom | 997.83 mi (1,605.85 km) |
| Hoeilaart to Lovech | 1,085.93 mi (1,747.63 km) |
| Hoeilaart to Lukovit | 1,060.88 mi (1,707.32 km) |
| Hoeilaart to Lyaskovets | 1,128.25 mi (1,815.74 km) |
| Hoeilaart to Mezdra | 1,044.08 mi (1,680.28 km) |
| Hoeilaart to Momchilgrad | 1,182.15 mi (1,902.49 km) |
| Hoeilaart to Montana | 1,014.16 mi (1,632.13 km) |
