| Gourock to Hisarcik | 1,930.17 mi (3,106.30 km) |
| Gourock to Hizan | 2,472.11 mi (3,978.47 km) |
| Gourock to Hopa | 2,282.27 mi (3,672.96 km) |
| Gourock to Huyuk | 2,082.06 mi (3,350.75 km) |
| Gourock to Idil | 2,495.63 mi (4,016.33 km) |
| Gourock to Igdir | 2,452.21 mi (3,946.45 km) |
| Gourock to Ihsaniye | 1,983.86 mi (3,192.72 km) |
| Gourock to Ilic | 2,265.14 mi (3,645.39 km) |
| Gourock to Ilica | 2,338.22 mi (3,763.00 km) |
| Gourock to Incesu | 2,179.37 mi (3,507.36 km) |
| Gourock to Incirliova | 1,949.95 mi (3,138.14 km) |
| Gourock to Inebolu | 1,963.10 mi (3,159.30 km) |
| Gourock to Inegol | 1,897.92 mi (3,054.41 km) |
| Gourock to Ipsala | 1,743.28 mi (2,805.54 km) |
| Gourock to Iskenderun | 2,319.54 mi (3,732.95 km) |
