| Boom to Huelva | 1,105.32 mi (1,778.85 km) |
| Boom to Huercal de Almeria | 1,036.63 mi (1,668.29 km) |
| Boom to Huercal-Overa | 995.71 mi (1,602.45 km) |
| Boom to Huesca | 658.39 mi (1,059.58 km) |
| Boom to Huetor Vega | 1,038.56 mi (1,671.40 km) |
| Boom to Huetor-Tajar | 1,044.73 mi (1,681.32 km) |
| Boom to Humanes de Madrid | 845.18 mi (1,360.19 km) |
| Boom to Ibi | 893.50 mi (1,437.95 km) |
| Boom to Ibiza | 853.11 mi (1,372.95 km) |
| Boom to Icod de los Vinos | 1,914.15 mi (3,080.52 km) |
| Boom to Igualada | 669.33 mi (1,077.19 km) |
| Boom to Illescas | 853.90 mi (1,374.23 km) |
| Boom to Inca | 788.46 mi (1,268.90 km) |
| Boom to Ingenio | 1,903.71 mi (3,063.73 km) |
| Boom to Irun | 607.66 mi (977.94 km) |
