| Boston to Hoyo de Manzanares | 871.67 mi (1,402.82 km) |
| Boston to Huelva | 1,136.44 mi (1,828.92 km) |
| Boston to Huercal de Almeria | 1,117.84 mi (1,798.99 km) |
| Boston to Huercal-Overa | 1,081.13 mi (1,739.91 km) |
| Boston to Huesca | 749.24 mi (1,205.79 km) |
| Boston to Huetor Vega | 1,106.59 mi (1,780.88 km) |
| Boston to Huetor-Tajar | 1,107.34 mi (1,782.09 km) |
| Boston to Humanes de Madrid | 896.92 mi (1,443.45 km) |
| Boston to Ibi | 991.62 mi (1,595.86 km) |
| Boston to Ibiza | 974.26 mi (1,567.92 km) |
| Boston to Icod de los Vinos | 1,902.16 mi (3,061.23 km) |
| Boston to Igualada | 790.85 mi (1,272.75 km) |
| Boston to Illescas | 906.30 mi (1,458.55 km) |
| Boston to Inca | 926.44 mi (1,490.97 km) |
| Boston to Ingenio | 1,901.97 mi (3,060.93 km) |
