How far is Derry from Belfast?

The distance between Belfast (Belfast International Airport) and Derry (City of Derry Airport) is 46 miles / 74 kilometers / 40 nautical miles.

The driving distance from Belfast (BFS) to Derry (LDY) is 62 miles / 100 kilometers, and travel time by car is about 1 hour 26 minutes.

Distance from Belfast to Derry

There are several ways to calculate the distance from Belfast to Derry. Here are two standard methods:

Vincenty's formula (applied above)

• 46.192 miles
• 74.338 kilometers
• 40.139 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

• 46.071 miles
• 74.144 kilometers
• 40.035 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 Derry?

The estimated flight time from Belfast International Airport to City of Derry Airport is 35 minutes.

What is the time difference between Belfast and Derry?

There is no time difference between Belfast and Derry.

Flight carbon footprint between Belfast International Airport (BFS) and City of Derry Airport (LDY)

On average, flying from Belfast to Derry generates about 32 kg of CO2 per passenger, and 32 kilograms equals 70 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 Derry

See the map of the shortest flight path between Belfast International Airport (BFS) and City of Derry Airport (LDY).

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	City of Derry Airport
City:	Derry
Country:	United Kingdom
IATA Code:	LDY
ICAO Code:	EGAE
Coordinates:	55°2′34″N, 7°9′39″W