| Sittingbourne to Karlovo | 1,275.32 mi (2,052.42 km) |
| Sittingbourne to Karnobat | 1,365.44 mi (2,197.47 km) |
| Sittingbourne to Kavarna | 1,391.06 mi (2,238.70 km) |
| Sittingbourne to Kazanlak | 1,300.71 mi (2,093.29 km) |
| Sittingbourne to Knezha | 1,211.17 mi (1,949.19 km) |
| Sittingbourne to Kostinbrod | 1,203.47 mi (1,936.80 km) |
| Sittingbourne to Kozloduy | 1,185.66 mi (1,908.14 km) |
| Sittingbourne to Kyustendil | 1,204.73 mi (1,938.82 km) |
| Sittingbourne to Levski | 1,259.77 mi (2,027.40 km) |
| Sittingbourne to Lom | 1,163.59 mi (1,872.62 km) |
| Sittingbourne to Lovech | 1,251.75 mi (2,014.50 km) |
| Sittingbourne to Lukovit | 1,226.51 mi (1,973.89 km) |
| Sittingbourne to Lyaskovets | 1,294.41 mi (2,083.15 km) |
| Sittingbourne to Mezdra | 1,209.42 mi (1,946.38 km) |
| Sittingbourne to Momchilgrad | 1,346.83 mi (2,167.51 km) |
