| Romanshorn to Gurpinar | 1,819.35 mi (2,927.95 km) |
| Romanshorn to Hadim | 1,380.64 mi (2,221.93 km) |
| Romanshorn to Hakkari | 1,861.96 mi (2,996.53 km) |
| Romanshorn to Halfeti | 1,607.27 mi (2,586.65 km) |
| Romanshorn to Hamidiye | 990.41 mi (1,593.91 km) |
| Romanshorn to Hanimciftligi | 1,584.36 mi (2,549.78 km) |
| Romanshorn to Harbiye | 1,577.43 mi (2,538.62 km) |
| Romanshorn to Harran | 1,674.48 mi (2,694.82 km) |
| Romanshorn to Haskoy | 1,727.02 mi (2,779.38 km) |
| Romanshorn to Hassa | 1,565.52 mi (2,519.46 km) |
| Romanshorn to Hatay | 1,574.94 mi (2,534.63 km) |
| Romanshorn to Havran | 1,042.70 mi (1,678.07 km) |
| Romanshorn to Havza | 1,371.36 mi (2,206.99 km) |
| Romanshorn to Haymana | 1,282.06 mi (2,063.28 km) |
| Romanshorn to Hisarcik | 1,146.34 mi (1,844.85 km) |
