| Borgerhout to Karnobat | 1,210.68 mi (1,948.40 km) |
| Borgerhout to Kavarna | 1,233.91 mi (1,985.79 km) |
| Borgerhout to Kazanlak | 1,147.72 mi (1,847.07 km) |
| Borgerhout to Knezha | 1,057.80 mi (1,702.36 km) |
| Borgerhout to Kostinbrod | 1,053.01 mi (1,694.65 km) |
| Borgerhout to Kozloduy | 1,032.05 mi (1,660.93 km) |
| Borgerhout to Kyustendil | 1,056.65 mi (1,700.51 km) |
| Borgerhout to Levski | 1,105.48 mi (1,779.10 km) |
| Borgerhout to Lom | 1,010.50 mi (1,626.24 km) |
| Borgerhout to Lovech | 1,098.44 mi (1,767.77 km) |
| Borgerhout to Lukovit | 1,073.74 mi (1,728.01 km) |
| Borgerhout to Lyaskovets | 1,140.04 mi (1,834.72 km) |
| Borgerhout to Mezdra | 1,057.39 mi (1,701.70 km) |
| Borgerhout to Momchilgrad | 1,196.25 mi (1,925.18 km) |
| Borgerhout to Montana | 1,027.48 mi (1,653.57 km) |
