How far is Dublin from Belfast?

The distance between Belfast (Belfast International Airport) and Dublin (Dublin Airport) is 86 miles / 138 kilometers / 74 nautical miles.

The driving distance from Belfast (BFS) to Dublin (DUB) is 106 miles / 171 kilometers, and travel time by car is about 2 hours 0 minutes.

Distance from Belfast to Dublin

There are several ways to calculate the distance from Belfast to Dublin. Here are two standard 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 planet.

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).

How long does it take to fly from Belfast to Dublin?

The estimated flight time from Belfast International Airport to Dublin Airport is 39 minutes.

What is the time difference between Belfast and Dublin?

There is no time difference between Belfast and Dublin.

Flight carbon footprint between Belfast International Airport (BFS) and Dublin Airport (DUB)

On average, flying from Belfast to Dublin generates about 38 kg of CO2 per passenger, and 38 kilograms equals 83 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Belfast to Dublin

See the map of the shortest flight path between Belfast International Airport (BFS) and Dublin Airport (DUB).

Airport information

Origin	Belfast International Airport
City:	Belfast
Country:	United Kingdom
IATA Code:	BFS
ICAO Code:	EGAA
Coordinates:	54°39′27″N, 6°12′56″W

Destination	Dublin Airport
City:	Dublin
Country:	Ireland
IATA Code:	DUB
ICAO Code:	EIDW
Coordinates:	53°25′16″N, 6°16′12″W