| Troy to Hoddesdon | 3,739.99 mi (6,018.94 km) |
| Troy to Holbeach | 3,710.39 mi (5,971.29 km) |
| Troy to Holborn | 3,743.31 mi (6,024.27 km) |
| Troy to Hollinwood | 3,608.59 mi (5,807.47 km) |
| Troy to Holyhead | 3,519.31 mi (5,663.78 km) |
| Troy to Holywell | 3,574.17 mi (5,752.06 km) |
| Troy to Honiton | 3,643.53 mi (5,863.69 km) |
| Troy to Horbury | 3,626.89 mi (5,836.92 km) |
| Troy to Horley | 3,751.44 mi (6,037.35 km) |
| Troy to Hornchurch | 3,754.86 mi (6,042.86 km) |
| Troy to Horndean | 3,726.98 mi (5,997.99 km) |
| Troy to Hornsey | 3,741.14 mi (6,020.79 km) |
| Troy to Horsell | 3,731.62 mi (6,005.46 km) |
| Troy to Horsforth | 3,618.81 mi (5,823.91 km) |
| Troy to Horsham | 3,748.84 mi (6,033.17 km) |
