| Gillingham to Devnya | 1,375.71 mi (2,214.00 km) |
| Gillingham to Dimitrovgrad | 1,341.07 mi (2,158.25 km) |
| Gillingham to Dobrich | 1,373.68 mi (2,210.72 km) |
| Gillingham to Dospat | 1,300.25 mi (2,092.55 km) |
| Gillingham to Dupnitsa | 1,231.65 mi (1,982.16 km) |
| Gillingham to Elhovo | 1,375.85 mi (2,214.21 km) |
| Gillingham to Etropole | 1,243.34 mi (2,000.97 km) |
| Gillingham to Gabrovo | 1,296.60 mi (2,086.68 km) |
| Gillingham to Gorna Oryahovitsa | 1,301.14 mi (2,093.98 km) |
| Gillingham to Gotse Delchev | 1,286.62 mi (2,070.61 km) |
| Gillingham to Harmanli | 1,358.21 mi (2,185.83 km) |
| Gillingham to Haskovo | 1,344.62 mi (2,163.96 km) |
| Gillingham to Ihtiman | 1,252.37 mi (2,015.50 km) |
| Gillingham to Isperih | 1,326.02 mi (2,134.02 km) |
| Gillingham to Kardzhali | 1,348.55 mi (2,170.29 km) |
