| Willow Grove to Hoyo de Manzanares | 3,638.73 mi (5,855.97 km) |
| Willow Grove to Huelva | 3,588.40 mi (5,774.98 km) |
| Willow Grove to Huercal de Almeria | 3,822.45 mi (6,151.64 km) |
| Willow Grove to Huercal-Overa | 3,831.01 mi (6,165.41 km) |
| Willow Grove to Huesca | 3,758.75 mi (6,049.12 km) |
| Willow Grove to Huetor Vega | 3,758.41 mi (6,048.57 km) |
| Willow Grove to Huetor-Tajar | 3,733.44 mi (6,008.39 km) |
| Willow Grove to Humanes de Madrid | 3,652.29 mi (5,877.80 km) |
| Willow Grove to Ibi | 3,857.49 mi (6,208.04 km) |
| Willow Grove to Ibiza | 3,944.61 mi (6,348.24 km) |
| Willow Grove to Icod de los Vinos | 3,372.84 mi (5,428.06 km) |
| Willow Grove to Igualada | 3,869.78 mi (6,227.82 km) |
| Willow Grove to Illescas | 3,656.01 mi (5,883.77 km) |
| Willow Grove to Inca | 3,988.82 mi (6,419.39 km) |
| Willow Grove to Ingenio | 3,454.46 mi (5,559.42 km) |
