Distance from Belfast to Dublin
Straight line
By road
Travel time
Direction
Open in the calculator (stops, directions, fuel cost) → Dublin → Belfast
How far is Belfast from Dublin?
Belfast (United Kingdom) and Dublin (Ireland) are a short distance apart: 142 km in a straight line, that is 88 miles or 77 nautical miles. The distance is measured over the Earth's surface (WGS84 ellipsoid) along the shortest possible path.
By road, Belfast to Dublin is 170 km (106 miles), about 2 h 1 min by car on the fastest route, without traffic or stops. The road is 20% longer than the straight line.
From Belfast, Dublin lies to the south (initial bearing 189°). The route crosses from United Kingdom into Ireland. The halfway point is at 53.9650°, -6.0896°.
A direct flight would take about 41 min (800 km/h cruise plus take-off and landing). The road distance and driving time are calculated on the map from OpenStreetMap roads.
Other distances from Belfast
- Belfast – Glasgow 176 km
- Belfast – Blackpool 206 km
- Belfast – Preston 229 km
- Belfast – Edinburgh 229 km
- Belfast – Birkenhead 233 km
- Belfast – Liverpool 233 km
- Belfast – Manchester 271 km
- Belfast – Bradford 286 km
Other distances from Dublin
- Dublin – Birkenhead 215 km
- Dublin – Liverpool 217 km
- Dublin – Blackpool 218 km
- Dublin – Preston 239 km
- Dublin – Swansea 246 km
- Dublin – Manchester 266 km
- Dublin – Stoke-on-Trent 273 km
- Dublin – Wolverhampton 289 km
Frequently asked questions
How far is Belfast from Dublin?
By road it is 170 km (106 miles) from Belfast to Dublin; in a straight line it is 142 km (88 miles).
How long is the drive from Belfast to Dublin?
About 2 h 1 min on the fastest route (170 km), without traffic or stops.
In which direction is Dublin from Belfast?
Dublin is to the south of Belfast, at an initial bearing of 189°.
How long is the flight from Belfast to Dublin?
A direct flight would take about 41 min at an average cruising speed of 800 km/h.
How is the distance calculated?
The straight-line distance is computed on the WGS84 ellipsoid with the Vincenty formula, accurate to the metre. The road distance comes from OpenStreetMap roads.