| Duncan to Hoddesdon | 4,695.86 mi (7,557.25 km) |
| Duncan to Holbeach | 4,662.93 mi (7,504.26 km) |
| Duncan to Holborn | 4,699.96 mi (7,563.86 km) |
| Duncan to Hollinwood | 4,560.81 mi (7,339.91 km) |
| Duncan to Holyhead | 4,474.44 mi (7,200.91 km) |
| Duncan to Holywell | 4,528.20 mi (7,287.43 km) |
| Duncan to Honiton | 4,604.65 mi (7,410.47 km) |
| Duncan to Horbury | 4,578.04 mi (7,367.65 km) |
| Duncan to Horley | 4,709.13 mi (7,578.61 km) |
| Duncan to Hornchurch | 4,711.11 mi (7,581.79 km) |
| Duncan to Horndean | 4,686.09 mi (7,541.53 km) |
| Duncan to Hornsey | 4,697.61 mi (7,560.07 km) |
| Duncan to Horsell | 4,689.22 mi (7,546.58 km) |
| Duncan to Horsforth | 4,569.41 mi (7,353.76 km) |
| Duncan to Horsham | 4,706.97 mi (7,575.14 km) |
