| Gladbeck to Hizan | 1,938.89 mi (3,120.35 km) |
| Gladbeck to Hopa | 1,762.95 mi (2,837.19 km) |
| Gladbeck to Huyuk | 1,518.73 mi (2,444.17 km) |
| Gladbeck to Idil | 1,956.66 mi (3,148.93 km) |
| Gladbeck to Igdir | 1,933.93 mi (3,112.36 km) |
| Gladbeck to Ihsaniye | 1,420.73 mi (2,286.44 km) |
| Gladbeck to Ilic | 1,724.74 mi (2,775.70 km) |
| Gladbeck to Ilica | 1,809.12 mi (2,911.50 km) |
| Gladbeck to Incesu | 1,625.57 mi (2,616.10 km) |
| Gladbeck to Incirliova | 1,382.44 mi (2,224.82 km) |
| Gladbeck to Inebolu | 1,419.46 mi (2,284.41 km) |
| Gladbeck to Inegol | 1,335.52 mi (2,149.31 km) |
| Gladbeck to Ipsala | 1,177.60 mi (1,895.17 km) |
| Gladbeck to Iskenderun | 1,762.02 mi (2,835.70 km) |
| Gladbeck to Islahiye | 1,758.90 mi (2,830.68 km) |
