Air Miles Calculator

Distance between Belfast (BFS) and Derry (LDY)

Flight distance from Belfast to Derry (Belfast International Airport – City of Derry Airport) is 46 miles / 74 kilometers / 40 nautical miles. Estimated flight time is 35 minutes.

Driving distance from Belfast (BFS) to Derry (LDY) is 64 miles / 103 kilometers and travel time by car is about 1 hour 19 minutes.

Map of flight path and driving directions from Belfast to Derry.

Shortest flight path between Belfast International Airport (BFS) and City of Derry Airport (LDY).

How far is Derry from Belfast?

There are several ways to calculate distances between Belfast and Derry. Here are two common 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 earth.

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).

Airport information


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

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

Time difference and current local times

There is no time difference between Belfast and Derry.

Time Difference

Belfast

 GMT

Derry

 GMT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 32 kg (70 pounds).

Frequent Flyer Miles Calculator

Belfast (BFS) → Derry (LDY).

Distance:
46
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
46

Round trip?