Distance from Dublin to Belfast
Straight line
By road
Travel time
Direction
Open in the calculator (stops, directions, fuel cost) → Belfast → Dublin
How far is Dublin from Belfast?
Dublin (Ireland) and Belfast (United Kingdom) 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, Dublin to Belfast is 170 km (105 miles), about 2 h 2 min by car on the fastest route, without traffic or stops. The road is 19% longer than the straight line.
From Dublin, Belfast lies to the north (initial bearing 8°). The route crosses from Ireland into United Kingdom. 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 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
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
Frequently asked questions
How far is Dublin from Belfast?
By road it is 170 km (105 miles) from Dublin to Belfast; in a straight line it is 142 km (88 miles).
How long is the drive from Dublin to Belfast?
About 2 h 2 min on the fastest route (170 km), without traffic or stops.
In which direction is Belfast from Dublin?
Belfast is to the north of Dublin, at an initial bearing of 8°.
How long is the flight from Dublin to Belfast?
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.