| Harelbeke to Karnobat | 1,248.92 mi (2,009.94 km) |
| Harelbeke to Kavarna | 1,274.76 mi (2,051.53 km) |
| Harelbeke to Kazanlak | 1,184.29 mi (1,905.92 km) |
| Harelbeke to Knezha | 1,094.70 mi (1,761.76 km) |
| Harelbeke to Kostinbrod | 1,087.40 mi (1,750.01 km) |
| Harelbeke to Kozloduy | 1,069.18 mi (1,720.68 km) |
| Harelbeke to Kyustendil | 1,089.17 mi (1,752.85 km) |
| Harelbeke to Levski | 1,143.25 mi (1,839.89 km) |
| Harelbeke to Lom | 1,047.15 mi (1,685.22 km) |
| Harelbeke to Lovech | 1,135.29 mi (1,827.08 km) |
| Harelbeke to Lukovit | 1,110.11 mi (1,786.54 km) |
| Harelbeke to Lyaskovets | 1,177.89 mi (1,895.63 km) |
| Harelbeke to Mezdra | 1,093.10 mi (1,759.18 km) |
| Harelbeke to Momchilgrad | 1,230.76 mi (1,980.72 km) |
| Harelbeke to Montana | 1,063.18 mi (1,711.03 km) |
