Howth to
LettermullanStep by step driving directions and route map on how to go from Howth to Lettermullan by road.
Reverse route: Driving directions from Lettermullan to Howth
M6, R336
173.5 mi3 hours 41 mins
| Depart onto R105 Harbour Road | 0.6 mi | |
| New name straight onto R105 Howth Road | 1.3 mi | |
| Turn slight right onto R106 Station Road | 0.5 mi | |
| New name straight onto R106 Strand Road | 0.3 mi | |
| Turn left onto The Mall | 200 feet | |
| New name straight onto Dublin Street | 0.2 mi | |
| New name straight onto Brookstone Road | 800 feet | |
| New name straight onto R139 Grange Road | 1.1 mi | |
| Rotary left onto R139 Clarehall Avenue | 200 feet | |
| Exit rotary slight left onto R139 Clarehall Avenue | 0.4 mi | |
| Roundabout slight left onto R139 Clarehall Avenue | 100 feet | |
| Exit roundabout straight onto R139 Clarehall Avenue | 2.0 mi | |
| Roundabout slight left onto R139 | 100 feet | |
| Exit roundabout slight left onto R139 | 0.4 mi | |
| On ramp slight left onto M50 Northern Cross Route | 0.3 mi | |
| Merge slight left onto M50 Northern Cross Route | 6.2 mi | |
| New name straight onto M50 Western Parkway Motorway | 1.5 mi | |
| Off ramp slight left | 600 feet | |
| Fork slight right | 900 feet | |
| Turn straight onto R148 Lucan Road | 1.6 mi | |
| New name straight onto N4 Lucan Bypass | 2.4 mi | |
| New name straight onto M4 | 27.8 mi | |
| Fork slight left onto M6 | 36.2 mi | |
| New name straight onto N6 Athlone Bypass | 4.3 mi | |
| New name straight onto M6 Athlone to Ballinasloe Motorway | 10.6 mi | |
| New name straight onto M6 Ballinasloe Bypass | 24.8 mi | |
| New name straight onto M6 Athenry Bypass | 9.3 mi | |
| New name straight onto N6 | 2.0 mi | |
| Rotary slight left onto N6 Bóthar Na dTreabh | 400 feet | |
| Exit rotary straight onto N6 Bóthar Na dTreabh | 3.1 mi | |
| New name straight onto N6 Headford Road | 0.3 mi | |
| Turn right onto N6 Bóthar Na dTreabh | 1.0 mi | |
| Rotary slight left onto R338 Seamus Quirke Road | 200 feet | |
| Exit rotary straight onto R338 Seamus Quirke Road | 0.6 mi | |
| New name straight onto R338 Rahoon Road | 0.2 mi | |
| New name straight onto R338 Bishop O'Donnell Road | 0.2 mi | |
| Rotary left onto R338 Bishop O'Donnell Road | 100 feet | |
| Exit rotary slight left onto R338 Bishop O'Donnell Road | 0.2 mi | |
| Turn right onto R337 Kingston Road | 1.0 mi | |
| New name straight onto R336 Barna Road | 20.9 mi | |
| Turn straight onto R343 | 0.3 mi | |
| Turn right onto R374 | 11.1 mi | |
| Turn right | 200 feet | |
| Arrive |