| Dundalk to Heswall | 3,469.97 mi (5,584.38 km) |
| Dundalk to Hetton le Hole | 3,507.69 mi (5,645.08 km) |
| Dundalk to Hexham | 3,479.99 mi (5,600.51 km) |
| Dundalk to Heysham | 3,465.31 mi (5,576.88 km) |
| Dundalk to Heywood | 3,500.10 mi (5,632.87 km) |
| Dundalk to High Blantyre | 3,390.59 mi (5,456.63 km) |
| Dundalk to High Wycombe | 3,598.25 mi (5,790.83 km) |
| Dundalk to Highbury | 3,626.46 mi (5,836.23 km) |
| Dundalk to Highgate | 3,624.09 mi (5,832.40 km) |
| Dundalk to Hilsea | 3,602.23 mi (5,797.24 km) |
| Dundalk to Hinckley | 3,554.07 mi (5,719.72 km) |
| Dundalk to Hindley | 3,487.38 mi (5,612.40 km) |
| Dundalk to Hipperholme | 3,513.63 mi (5,654.64 km) |
| Dundalk to Hitchin | 3,610.36 mi (5,810.31 km) |
| Dundalk to Hockley | 3,655.20 mi (5,882.48 km) |
