| Kettering to Devnya | 1,445.37 mi (2,326.10 km) |
| Kettering to Dimitrovgrad | 1,415.38 mi (2,277.83 km) |
| Kettering to Dobrich | 1,442.23 mi (2,321.05 km) |
| Kettering to Dospat | 1,376.90 mi (2,215.90 km) |
| Kettering to Dupnitsa | 1,308.36 mi (2,105.61 km) |
| Kettering to Elhovo | 1,448.84 mi (2,331.68 km) |
| Kettering to Etropole | 1,317.92 mi (2,120.99 km) |
| Kettering to Gabrovo | 1,369.57 mi (2,204.11 km) |
| Kettering to Gorna Oryahovitsa | 1,373.11 mi (2,209.81 km) |
| Kettering to Gotse Delchev | 1,363.89 mi (2,194.96 km) |
| Kettering to Harmanli | 1,432.40 mi (2,305.23 km) |
| Kettering to Haskovo | 1,419.18 mi (2,283.96 km) |
| Kettering to Ihtiman | 1,327.95 mi (2,137.14 km) |
| Kettering to Isperih | 1,395.36 mi (2,245.62 km) |
| Kettering to Kardzhali | 1,423.86 mi (2,291.48 km) |
