| Soignies to Karnobat | 1,211.38 mi (1,949.53 km) |
| Soignies to Kavarna | 1,237.92 mi (1,992.24 km) |
| Soignies to Kazanlak | 1,146.42 mi (1,844.98 km) |
| Soignies to Knezha | 1,056.91 mi (1,700.94 km) |
| Soignies to Kostinbrod | 1,049.21 mi (1,688.55 km) |
| Soignies to Kozloduy | 1,031.44 mi (1,659.93 km) |
| Soignies to Kyustendil | 1,050.78 mi (1,691.07 km) |
| Soignies to Levski | 1,105.63 mi (1,779.34 km) |
| Soignies to Lom | 1,009.32 mi (1,624.34 km) |
| Soignies to Lovech | 1,097.48 mi (1,766.23 km) |
| Soignies to Lukovit | 1,072.21 mi (1,725.56 km) |
| Soignies to Lyaskovets | 1,140.27 mi (1,835.10 km) |
| Soignies to Mezdra | 1,055.10 mi (1,698.02 km) |
| Soignies to Momchilgrad | 1,192.57 mi (1,919.25 km) |
| Soignies to Montana | 1,025.18 mi (1,649.87 km) |
