| Gladbeck to Huelva | 1,199.85 mi (1,930.97 km) |
| Gladbeck to Huercal de Almeria | 1,114.03 mi (1,792.86 km) |
| Gladbeck to Huercal-Overa | 1,071.85 mi (1,724.97 km) |
| Gladbeck to Huesca | 738.41 mi (1,188.35 km) |
| Gladbeck to Huetor Vega | 1,121.19 mi (1,804.37 km) |
| Gladbeck to Huetor-Tajar | 1,129.32 mi (1,817.46 km) |
| Gladbeck to Humanes de Madrid | 936.03 mi (1,506.40 km) |
| Gladbeck to Ibi | 965.50 mi (1,553.82 km) |
| Gladbeck to Ibiza | 914.40 mi (1,471.59 km) |
| Gladbeck to Icod de los Vinos | 2,016.80 mi (3,245.73 km) |
| Gladbeck to Igualada | 734.66 mi (1,182.31 km) |
| Gladbeck to Illescas | 944.42 mi (1,519.89 km) |
| Gladbeck to Inca | 841.46 mi (1,354.21 km) |
| Gladbeck to Ingenio | 2,003.81 mi (3,224.82 km) |
| Gladbeck to Irun | 699.36 mi (1,125.52 km) |
