| Borsbeek to Karnobat | 1,208.67 mi (1,945.17 km) |
| Borsbeek to Kavarna | 1,231.91 mi (1,982.57 km) |
| Borsbeek to Kazanlak | 1,145.70 mi (1,843.83 km) |
| Borsbeek to Knezha | 1,055.78 mi (1,699.12 km) |
| Borsbeek to Kostinbrod | 1,051.00 mi (1,691.41 km) |
| Borsbeek to Kozloduy | 1,030.04 mi (1,657.69 km) |
| Borsbeek to Kyustendil | 1,054.64 mi (1,697.28 km) |
| Borsbeek to Levski | 1,103.47 mi (1,775.87 km) |
| Borsbeek to Lom | 1,008.48 mi (1,623.00 km) |
| Borsbeek to Lovech | 1,096.43 mi (1,764.53 km) |
| Borsbeek to Lukovit | 1,071.72 mi (1,724.77 km) |
| Borsbeek to Lyaskovets | 1,138.03 mi (1,831.48 km) |
| Borsbeek to Mezdra | 1,055.38 mi (1,698.46 km) |
| Borsbeek to Momchilgrad | 1,194.24 mi (1,921.94 km) |
| Borsbeek to Montana | 1,025.47 mi (1,650.33 km) |
