| Duncan to Hebburn | 4,539.39 mi (7,305.45 km) |
| Duncan to Heckmondwike | 4,572.40 mi (7,358.56 km) |
| Duncan to Hednesford | 4,590.95 mi (7,388.42 km) |
| Duncan to Helensburgh | 4,394.74 mi (7,072.65 km) |
| Duncan to Hellesdon | 4,713.50 mi (7,585.64 km) |
| Duncan to Helston | 4,543.69 mi (7,312.36 km) |
| Duncan to Hemel Hempstead | 4,678.94 mi (7,530.03 km) |
| Duncan to Hemsworth | 4,587.14 mi (7,382.29 km) |
| Duncan to Hendon | 4,693.67 mi (7,553.73 km) |
| Duncan to Henley on Thames | 4,669.53 mi (7,514.88 km) |
| Duncan to Hereford | 4,584.19 mi (7,377.54 km) |
| Duncan to Herne Bay | 4,751.90 mi (7,647.44 km) |
| Duncan to Hersham | 4,694.06 mi (7,554.35 km) |
| Duncan to Hertford | 4,692.27 mi (7,551.49 km) |
| Duncan to Hessle | 4,617.04 mi (7,430.41 km) |
