| Dundalk to Hoddesdon | 3,625.28 mi (5,834.33 km) |
| Dundalk to Holbeach | 3,604.23 mi (5,800.45 km) |
| Dundalk to Holborn | 3,626.48 mi (5,836.25 km) |
| Dundalk to Hollinwood | 3,504.40 mi (5,639.78 km) |
| Dundalk to Holyhead | 3,409.04 mi (5,486.32 km) |
| Dundalk to Holywell | 3,466.00 mi (5,577.99 km) |
| Dundalk to Honiton | 3,514.71 mi (5,656.38 km) |
| Dundalk to Horbury | 3,524.93 mi (5,672.83 km) |
| Dundalk to Horley | 3,631.71 mi (5,844.67 km) |
| Dundalk to Hornchurch | 3,638.98 mi (5,856.37 km) |
| Dundalk to Horndean | 3,603.47 mi (5,799.23 km) |
| Dundalk to Hornsey | 3,624.84 mi (5,833.62 km) |
| Dundalk to Horsell | 3,612.34 mi (5,813.49 km) |
| Dundalk to Horsforth | 3,518.19 mi (5,661.99 km) |
| Dundalk to Horsham | 3,627.90 mi (5,838.54 km) |
