| Walcourt to Karnobat | 1,190.02 mi (1,915.16 km) |
| Walcourt to Kavarna | 1,217.74 mi (1,959.77 km) |
| Walcourt to Kazanlak | 1,124.42 mi (1,809.58 km) |
| Walcourt to Knezha | 1,035.09 mi (1,665.81 km) |
| Walcourt to Kostinbrod | 1,026.47 mi (1,651.94 km) |
| Walcourt to Kozloduy | 1,009.71 mi (1,624.97 km) |
| Walcourt to Kyustendil | 1,027.43 mi (1,653.49 km) |
| Walcourt to Levski | 1,084.12 mi (1,744.73 km) |
| Walcourt to Lom | 987.41 mi (1,589.09 km) |
| Walcourt to Lovech | 1,075.61 mi (1,731.03 km) |
| Walcourt to Lukovit | 1,050.17 mi (1,690.08 km) |
| Walcourt to Lyaskovets | 1,118.79 mi (1,800.51 km) |
| Walcourt to Mezdra | 1,032.82 mi (1,662.17 km) |
| Walcourt to Momchilgrad | 1,169.81 mi (1,882.62 km) |
| Walcourt to Montana | 1,002.91 mi (1,614.03 km) |
