| Sillamae to Karlovo | 1,164.15 mi (1,873.53 km) |
| Sillamae to Karnobat | 1,158.48 mi (1,864.39 km) |
| Sillamae to Kavarna | 1,102.97 mi (1,775.06 km) |
| Sillamae to Kazanlak | 1,163.54 mi (1,872.54 km) |
| Sillamae to Knezha | 1,109.13 mi (1,784.97 km) |
| Sillamae to Kostinbrod | 1,161.59 mi (1,869.40 km) |
| Sillamae to Kozloduy | 1,091.90 mi (1,757.24 km) |
| Sillamae to Kyustendil | 1,202.01 mi (1,934.44 km) |
| Sillamae to Levski | 1,112.94 mi (1,791.10 km) |
| Sillamae to Lom | 1,092.46 mi (1,758.14 km) |
| Sillamae to Lovech | 1,130.80 mi (1,819.84 km) |
| Sillamae to Lukovit | 1,129.23 mi (1,817.32 km) |
| Sillamae to Lyaskovets | 1,129.12 mi (1,817.14 km) |
| Sillamae to Mezdra | 1,135.50 mi (1,827.41 km) |
| Sillamae to Momchilgrad | 1,238.15 mi (1,992.61 km) |
