| Rockville Centre to Hoyo de Manzanares | 3,553.09 mi (5,718.15 km) |
| Rockville Centre to Huelva | 3,503.09 mi (5,637.68 km) |
| Rockville Centre to Huercal de Almeria | 3,736.96 mi (6,014.06 km) |
| Rockville Centre to Huercal-Overa | 3,745.46 mi (6,027.74 km) |
| Rockville Centre to Huesca | 3,673.25 mi (5,911.52 km) |
| Rockville Centre to Huetor Vega | 3,672.94 mi (5,911.03 km) |
| Rockville Centre to Huetor-Tajar | 3,647.99 mi (5,870.87 km) |
| Rockville Centre to Humanes de Madrid | 3,566.66 mi (5,739.98 km) |
| Rockville Centre to Ibi | 3,771.86 mi (6,070.23 km) |
| Rockville Centre to Ibiza | 3,858.98 mi (6,210.42 km) |
| Rockville Centre to Icod de los Vinos | 3,292.54 mi (5,298.83 km) |
| Rockville Centre to Igualada | 3,784.30 mi (6,090.25 km) |
| Rockville Centre to Illescas | 3,570.37 mi (5,745.96 km) |
| Rockville Centre to Inca | 3,903.24 mi (6,281.65 km) |
| Rockville Centre to Ingenio | 3,374.02 mi (5,429.96 km) |
