| Hemel Hempstead to Celbridge | 277.45 mi (446.51 km) |
| Hemel Hempstead to Clondalkin | 271.46 mi (436.87 km) |
| Hemel Hempstead to Clonmel | 310.37 mi (499.49 km) |
| Hemel Hempstead to Cobh | 334.35 mi (538.08 km) |
| Hemel Hempstead to Cork | 341.64 mi (549.82 km) |
| Hemel Hempstead to Donegal | 374.10 mi (602.05 km) |
| Hemel Hempstead to Douglas | 340.22 mi (547.54 km) |
| Hemel Hempstead to Drogheda | 280.89 mi (452.05 km) |
| Hemel Hempstead to Dublin | 267.06 mi (429.79 km) |
| Hemel Hempstead to Dun Dealgan | 292.36 mi (470.51 km) |
| Hemel Hempstead to Ennis | 367.25 mi (591.04 km) |
| Hemel Hempstead to Enniscorthy | 263.65 mi (424.31 km) |
| Hemel Hempstead to Finglas | 268.41 mi (431.96 km) |
| Hemel Hempstead to Galway | 375.47 mi (604.26 km) |
| Hemel Hempstead to Glanmire | 338.63 mi (544.97 km) |
