| Islington to Hoyo de Manzanares | 775.04 mi (1,247.31 km) |
| Islington to Huelva | 1,042.73 mi (1,678.11 km) |
| Islington to Huercal de Almeria | 1,019.37 mi (1,640.52 km) |
| Islington to Huercal-Overa | 982.48 mi (1,581.15 km) |
| Islington to Huesca | 650.38 mi (1,046.69 km) |
| Islington to Huetor Vega | 1,008.85 mi (1,623.59 km) |
| Islington to Huetor-Tajar | 1,010.01 mi (1,625.45 km) |
| Islington to Humanes de Madrid | 800.09 mi (1,287.63 km) |
| Islington to Ibi | 892.76 mi (1,436.75 km) |
| Islington to Ibiza | 876.14 mi (1,410.01 km) |
| Islington to Icod de los Vinos | 1,818.17 mi (2,926.06 km) |
| Islington to Igualada | 693.15 mi (1,115.51 km) |
| Islington to Illescas | 809.44 mi (1,302.67 km) |
| Islington to Inca | 829.92 mi (1,335.62 km) |
| Islington to Ingenio | 1,815.66 mi (2,922.03 km) |
