Air Miles Calculator

Distance between Philadelphia, PA (PHL) and Derry (LDY)

Flight distance from Philadelphia to Derry (Philadelphia International Airport – City of Derry Airport) is 3214 miles / 5173 kilometers / 2793 nautical miles. Estimated flight time is 6 hours 35 minutes.

Map of flight path from Philadelphia to Derry.

Shortest flight path between Philadelphia International Airport (PHL) and City of Derry Airport (LDY).

How far is Derry from Philadelphia?

There are several ways to calculate distances between Philadelphia and Derry. Here are two common methods:

Vincenty's formula (applied above)
  • 3214.493 miles
  • 5173.225 kilometers
  • 2793.318 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
  • 3206.202 miles
  • 5159.882 kilometers
  • 2786.113 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 Philadelphia International Airport
City: Philadelphia, PA
Country: United States Flag of United States
IATA Code: PHL
ICAO Code: KPHL
Coordinates: 39°52′18″N, 75°14′27″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

The time difference between Philadelphia and Derry is 4 hours. Derry is 4 hours ahead of Philadelphia.

Time Difference

Philadelphia, PA

 EDT

Derry

 GMT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 360 kg (794 pounds).

Frequent Flyer Miles Calculator

Philadelphia (PHL) → Derry (LDY).

Distance:
3214
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
3214

Round trip?