| Letchworth to Celbridge | 280.49 mi (451.40 km) |
| Letchworth to Clondalkin | 274.45 mi (441.68 km) |
| Letchworth to Clonmel | 317.99 mi (511.76 km) |
| Letchworth to Cobh | 343.73 mi (553.18 km) |
| Letchworth to Cork | 350.86 mi (564.65 km) |
| Letchworth to Donegal | 373.83 mi (601.62 km) |
| Letchworth to Douglas | 349.51 mi (562.48 km) |
| Letchworth to Drogheda | 282.15 mi (454.07 km) |
| Letchworth to Dublin | 269.79 mi (434.18 km) |
| Letchworth to Dun Dealgan | 292.50 mi (470.73 km) |
| Letchworth to Ennis | 373.41 mi (600.94 km) |
| Letchworth to Enniscorthy | 270.41 mi (435.19 km) |
| Letchworth to Finglas | 270.61 mi (435.50 km) |
| Letchworth to Galway | 380.26 mi (611.97 km) |
| Letchworth to Glanmire | 347.79 mi (559.71 km) |
