| Royston to Guroymak | 2,205.64 mi (3,549.63 km) |
| Royston to Gurpinar | 2,275.12 mi (3,661.45 km) |
| Royston to Hadim | 1,884.40 mi (3,032.64 km) |
| Royston to Hakkari | 2,321.70 mi (3,736.41 km) |
| Royston to Halfeti | 2,091.54 mi (3,366.00 km) |
| Royston to Hamidiye | 1,498.44 mi (2,411.51 km) |
| Royston to Hanimciftligi | 2,059.81 mi (3,314.94 km) |
| Royston to Harbiye | 2,073.57 mi (3,337.09 km) |
| Royston to Harran | 2,156.70 mi (3,470.87 km) |
| Royston to Haskoy | 2,187.13 mi (3,519.84 km) |
| Royston to Hassa | 2,057.03 mi (3,310.47 km) |
| Royston to Hatay | 2,070.60 mi (3,332.31 km) |
| Royston to Havran | 1,551.16 mi (2,496.35 km) |
| Royston to Havza | 1,837.89 mi (2,957.79 km) |
| Royston to Haymana | 1,772.82 mi (2,853.08 km) |
