| Issum to Gurpinar | 1,997.89 mi (3,215.30 km) |
| Issum to Hadim | 1,619.13 mi (2,605.74 km) |
| Issum to Hakkari | 2,044.67 mi (3,290.58 km) |
| Issum to Halfeti | 1,818.28 mi (2,926.23 km) |
| Issum to Hamidiye | 1,237.73 mi (1,991.94 km) |
| Issum to Hanimciftligi | 1,784.80 mi (2,872.37 km) |
| Issum to Harbiye | 1,804.08 mi (2,903.39 km) |
| Issum to Harran | 1,882.86 mi (3,030.17 km) |
| Issum to Haskoy | 1,910.20 mi (3,074.18 km) |
| Issum to Hassa | 1,785.89 mi (2,874.12 km) |
| Issum to Hatay | 1,800.93 mi (2,898.31 km) |
| Issum to Havran | 1,290.49 mi (2,076.85 km) |
| Issum to Havza | 1,561.93 mi (2,513.68 km) |
| Issum to Haymana | 1,502.14 mi (2,417.47 km) |
| Issum to Hisarcik | 1,384.96 mi (2,228.88 km) |
