Distance from Galway to Dublin

The straight-line (great-circle) distance between Galway and Dublin is 186.2 kilometres, roughly 27 min by plane at 850 km/h. By road it is about 209 km via M4 and M6, which takes around 2 h 30 min of driving without stops. The map below shows both routes, and the calculator recomputes them for any other pair of places.

Straight line186.2 km
By road209 km
Driving time2 h 30 min
Flight time27 min

About this page

This page is for anyone planning a trip from Galway to Dublin, in Ireland. The straight-line distance comes from the haversine formula (great-circle distance). The road distance and driving time are the fastest car route on the OpenStreetMap road network, computed with OSRM; the actual time depends on traffic, stops and the roads you choose. Tap "Calculate distance" in the calculator to redraw the route live.

Frequently asked questions

What is the distance from Galway to Dublin?
In a straight line it is 186.2 km. By road it is about 209 km, roughly 2 h 30 min of driving.
How long is the flight from Galway to Dublin?
Roughly 27 min: the distance at a cruising speed of 850 km/h plus about 14 minutes for take-off and landing.
How many kilometres by road between Galway and Dublin?
About 209 km on the fastest route via M4 and M6, which takes around 2 h 30 min by car. Tap "Calculate distance" in the calculator to see the route on the map.
How is this distance calculated?
The straight-line distance uses the haversine formula, which gives the shortest path between two points on the Earth's surface.