| Howard to Hoyo de Manzanares | 4,092.56 mi (6,586.34 km) |
| Howard to Huelva | 4,090.07 mi (6,582.33 km) |
| Howard to Huercal de Almeria | 4,306.82 mi (6,931.15 km) |
| Howard to Huercal-Overa | 4,308.28 mi (6,933.51 km) |
| Howard to Huesca | 4,181.08 mi (6,728.79 km) |
| Howard to Huetor Vega | 4,245.56 mi (6,832.57 km) |
| Howard to Huetor-Tajar | 4,222.39 mi (6,795.29 km) |
| Howard to Humanes de Madrid | 4,109.83 mi (6,614.12 km) |
| Howard to Ibi | 4,316.34 mi (6,946.48 km) |
| Howard to Ibiza | 4,391.09 mi (7,066.78 km) |
| Howard to Icod de los Vinos | 3,991.65 mi (6,423.93 km) |
| Howard to Igualada | 4,288.47 mi (6,901.63 km) |
| Howard to Illescas | 4,114.98 mi (6,622.42 km) |
| Howard to Inca | 4,420.17 mi (7,113.58 km) |
| Howard to Ingenio | 4,071.05 mi (6,551.72 km) |
