| Leighton Buzzard to Hoyo de Manzanares | 794.42 mi (1,278.50 km) |
| Leighton Buzzard to Huelva | 1,058.56 mi (1,703.59 km) |
| Leighton Buzzard to Huercal de Almeria | 1,042.29 mi (1,677.40 km) |
| Leighton Buzzard to Huercal-Overa | 1,006.05 mi (1,619.08 km) |
| Leighton Buzzard to Huesca | 676.05 mi (1,088.00 km) |
| Leighton Buzzard to Huetor Vega | 1,030.03 mi (1,657.68 km) |
| Leighton Buzzard to Huetor-Tajar | 1,030.44 mi (1,658.34 km) |
| Leighton Buzzard to Humanes de Madrid | 819.76 mi (1,319.28 km) |
| Leighton Buzzard to Ibi | 918.21 mi (1,477.72 km) |
| Leighton Buzzard to Ibiza | 904.36 mi (1,455.43 km) |
| Leighton Buzzard to Icod de los Vinos | 1,826.23 mi (2,939.03 km) |
| Leighton Buzzard to Igualada | 722.12 mi (1,162.14 km) |
| Leighton Buzzard to Illescas | 829.16 mi (1,334.40 km) |
| Leighton Buzzard to Inca | 860.08 mi (1,384.17 km) |
| Leighton Buzzard to Ingenio | 1,825.33 mi (2,937.58 km) |
