How far is Belfast from Derry?

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

The driving distance from Derry (LDY) to Belfast (BFS) is 63 miles / 101 kilometers, and travel time by car is about 1 hour 28 minutes.

Distance from Derry to Belfast

There are several ways to calculate the distance from Derry to Belfast. 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 Derry to Belfast?

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

What is the time difference between Derry and Belfast?

There is no time difference between Derry and Belfast.

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

On average, flying from Derry to Belfast 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 Derry to Belfast

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

Airport information

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

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