| Gourock to Guroymak | 2,439.40 mi (3,925.83 km) |
| Gourock to Gurpinar | 2,504.84 mi (4,031.15 km) |
| Gourock to Hadim | 2,163.27 mi (3,481.45 km) |
| Gourock to Hakkari | 2,554.20 mi (4,110.58 km) |
| Gourock to Halfeti | 2,348.48 mi (3,779.52 km) |
| Gourock to Hamidiye | 1,785.82 mi (2,873.99 km) |
| Gourock to Hanimciftligi | 2,309.07 mi (3,716.08 km) |
| Gourock to Harbiye | 2,342.49 mi (3,769.87 km) |
| Gourock to Harran | 2,411.04 mi (3,880.19 km) |
| Gourock to Haskoy | 2,421.60 mi (3,897.18 km) |
| Gourock to Hassa | 2,321.35 mi (3,735.84 km) |
| Gourock to Hatay | 2,339.03 mi (3,764.31 km) |
| Gourock to Havran | 1,838.50 mi (2,958.78 km) |
| Gourock to Havza | 2,082.69 mi (3,351.77 km) |
| Gourock to Haymana | 2,039.47 mi (3,282.20 km) |
