| Boortmeerbeek to Karnobat | 1,200.09 mi (1,931.36 km) |
| Boortmeerbeek to Kavarna | 1,224.26 mi (1,970.26 km) |
| Boortmeerbeek to Kazanlak | 1,136.58 mi (1,829.15 km) |
| Boortmeerbeek to Knezha | 1,046.75 mi (1,684.59 km) |
| Boortmeerbeek to Kostinbrod | 1,041.21 mi (1,675.67 km) |
| Boortmeerbeek to Kozloduy | 1,021.08 mi (1,643.27 km) |
| Boortmeerbeek to Kyustendil | 1,044.35 mi (1,680.71 km) |
| Boortmeerbeek to Levski | 1,094.73 mi (1,761.79 km) |
| Boortmeerbeek to Lom | 999.37 mi (1,608.33 km) |
| Boortmeerbeek to Lovech | 1,087.39 mi (1,749.98 km) |
| Boortmeerbeek to Lukovit | 1,062.53 mi (1,709.98 km) |
| Boortmeerbeek to Lyaskovets | 1,129.32 mi (1,817.46 km) |
| Boortmeerbeek to Mezdra | 1,045.98 mi (1,683.34 km) |
| Boortmeerbeek to Momchilgrad | 1,184.51 mi (1,906.28 km) |
| Boortmeerbeek to Montana | 1,016.06 mi (1,635.20 km) |
