| Gillingham to Karlovo | 1,284.08 mi (2,066.52 km) |
| Gillingham to Karnobat | 1,374.18 mi (2,211.52 km) |
| Gillingham to Kavarna | 1,399.73 mi (2,252.65 km) |
| Gillingham to Kazanlak | 1,309.47 mi (2,107.38 km) |
| Gillingham to Knezha | 1,219.92 mi (1,963.27 km) |
| Gillingham to Kostinbrod | 1,212.24 mi (1,950.91 km) |
| Gillingham to Kozloduy | 1,194.41 mi (1,922.22 km) |
| Gillingham to Kyustendil | 1,213.49 mi (1,952.93 km) |
| Gillingham to Levski | 1,268.51 mi (2,041.47 km) |
| Gillingham to Lom | 1,172.35 mi (1,886.71 km) |
| Gillingham to Lovech | 1,260.50 mi (2,028.58 km) |
| Gillingham to Lukovit | 1,235.27 mi (1,987.98 km) |
| Gillingham to Lyaskovets | 1,303.14 mi (2,097.21 km) |
| Gillingham to Mezdra | 1,218.19 mi (1,960.48 km) |
| Gillingham to Momchilgrad | 1,355.59 mi (2,181.62 km) |
