Air Miles Calculator

Distance between Washington D.C. (IAD) and London (LHR)

Flight distance from Washington D.C. to London (Washington Dulles International Airport – London Heathrow Airport) is 3677 miles / 5917 kilometers / 3195 nautical miles. Estimated flight time is 7 hours 27 minutes.

Map of flight path from Washington D.C. to London.

Shortest flight path between Washington Dulles International Airport (IAD) and London Heathrow Airport (LHR).

How far is London from Washington D.C.?

There are several ways to calculate distances between Washington D.C. and London. Here are two common methods:

Vincenty's formula (applied above)
  • 3676.737 miles
  • 5917.134 kilometers
  • 3194.997 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
  • 3667.203 miles
  • 5901.791 kilometers
  • 3186.712 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 Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W

B London Heathrow Airport
City: London
Country: United Kingdom Flag of United Kingdom
IATA Code: LHR
ICAO Code: EGLL
Coordinates: 51°28′14″N, 0°27′42″W

Time difference and current local times

The time difference between Washington D.C. and London is 5 hours. London is 5 hours ahead of Washington D.C..

Time Difference

Washington D.C.

 EDT

London

 BST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 422 kg (931 pounds).

Frequent Flyer Miles Calculator

Washington D.C. (IAD) → London (LHR).

Distance:
3677
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
3677

Round trip?