Map of flight path and driving directions from Belfast to Dublin.
Shortest flight path between Belfast International Airport (BFS) and Dublin Airport (DUB).
How far is Dublin from Belfast?
There are several ways to calculate distances between Belfast and Dublin. Here are two common methods:Vincenty's formula (applied above)
- 85.527 miles
- 137.642 kilometers
- 74.321 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 85.442 miles
- 137.505 kilometers
- 74.247 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
Time difference and current local times
There is no time difference between Belfast and Dublin.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 38 kg (83 pounds).
Frequent Flyer Miles Calculator
Belfast (BFS) → Dublin (DUB).