| Silla to Karlovo | 1,329.20 mi (2,139.14 km) |
| Silla to Karnobat | 1,439.79 mi (2,317.13 km) |
| Silla to Kavarna | 1,508.27 mi (2,427.32 km) |
| Silla to Kazanlak | 1,359.30 mi (2,187.58 km) |
| Silla to Knezha | 1,295.59 mi (2,085.05 km) |
| Silla to Kostinbrod | 1,248.98 mi (2,010.04 km) |
| Silla to Kozloduy | 1,279.83 mi (2,059.68 km) |
| Silla to Kyustendil | 1,220.32 mi (1,963.92 km) |
| Silla to Levski | 1,347.57 mi (2,168.70 km) |
| Silla to Lom | 1,255.52 mi (2,020.57 km) |
| Silla to Lovech | 1,325.84 mi (2,133.73 km) |
| Silla to Lukovit | 1,298.38 mi (2,089.54 km) |
| Silla to Lyaskovets | 1,376.11 mi (2,214.64 km) |
| Silla to Mezdra | 1,274.70 mi (2,051.43 km) |
| Silla to Momchilgrad | 1,361.13 mi (2,190.52 km) |
