| Leighton Buzzard to Devnya | 1,434.82 mi (2,309.12 km) |
| Leighton Buzzard to Dimitrovgrad | 1,402.08 mi (2,256.43 km) |
| Leighton Buzzard to Dobrich | 1,432.30 mi (2,305.07 km) |
| Leighton Buzzard to Dospat | 1,362.10 mi (2,192.08 km) |
| Leighton Buzzard to Dupnitsa | 1,293.51 mi (2,081.71 km) |
| Leighton Buzzard to Elhovo | 1,436.35 mi (2,311.58 km) |
| Leighton Buzzard to Etropole | 1,304.44 mi (2,099.29 km) |
| Leighton Buzzard to Gabrovo | 1,357.08 mi (2,184.01 km) |
| Leighton Buzzard to Gorna Oryahovitsa | 1,361.21 mi (2,190.66 km) |
| Leighton Buzzard to Gotse Delchev | 1,348.67 mi (2,170.47 km) |
| Leighton Buzzard to Harmanli | 1,419.17 mi (2,283.94 km) |
| Leighton Buzzard to Haskovo | 1,405.72 mi (2,262.30 km) |
| Leighton Buzzard to Ihtiman | 1,313.84 mi (2,114.42 km) |
| Leighton Buzzard to Isperih | 1,384.98 mi (2,228.91 km) |
| Leighton Buzzard to Kardzhali | 1,409.93 mi (2,269.07 km) |
