| Leuven to Karnobat | 1,192.28 mi (1,918.79 km) |
| Leuven to Kavarna | 1,216.79 mi (1,958.23 km) |
| Leuven to Kazanlak | 1,128.58 mi (1,816.28 km) |
| Leuven to Knezha | 1,038.79 mi (1,671.77 km) |
| Leuven to Kostinbrod | 1,033.00 mi (1,662.45 km) |
| Leuven to Kozloduy | 1,013.14 mi (1,630.48 km) |
| Leuven to Kyustendil | 1,035.97 mi (1,667.24 km) |
| Leuven to Levski | 1,086.86 mi (1,749.13 km) |
| Leuven to Lom | 991.37 mi (1,595.46 km) |
| Leuven to Lovech | 1,079.42 mi (1,737.15 km) |
| Leuven to Lukovit | 1,054.51 mi (1,697.07 km) |
| Leuven to Lyaskovets | 1,121.46 mi (1,804.81 km) |
| Leuven to Mezdra | 1,037.89 mi (1,670.33 km) |
| Leuven to Momchilgrad | 1,176.31 mi (1,893.08 km) |
| Leuven to Montana | 1,007.97 mi (1,622.18 km) |
