| Sileby to Karlovo | 1,381.13 mi (2,222.71 km) |
| Sileby to Karnobat | 1,467.93 mi (2,362.40 km) |
| Sileby to Kavarna | 1,489.13 mi (2,396.53 km) |
| Sileby to Kazanlak | 1,405.68 mi (2,262.22 km) |
| Sileby to Knezha | 1,315.68 mi (2,117.38 km) |
| Sileby to Kostinbrod | 1,311.30 mi (2,110.33 km) |
| Sileby to Kozloduy | 1,289.87 mi (2,075.85 km) |
| Sileby to Kyustendil | 1,314.75 mi (2,115.89 km) |
| Sileby to Levski | 1,363.01 mi (2,193.56 km) |
| Sileby to Lom | 1,268.47 mi (2,041.41 km) |
| Sileby to Lovech | 1,356.33 mi (2,182.80 km) |
| Sileby to Lukovit | 1,331.78 mi (2,143.29 km) |
| Sileby to Lyaskovets | 1,397.52 mi (2,249.09 km) |
| Sileby to Mezdra | 1,315.57 mi (2,117.20 km) |
| Sileby to Momchilgrad | 1,454.54 mi (2,340.85 km) |
