Air Miles Calculator

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

Distance from Washington Dulles International Airport to Heathrow Airport is 3677 miles / 5917 kilometers / 3195 nautical miles.

Calculations with different 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).

Flight duration

Estimated flight time from Washington Dulles International Airport (IAD) to Heathrow Airport (LHR) is 7 hours 27 minutes.

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.
London

Washington D.C.

 EST

London

 GMT

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 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

Map

Flight map from Washington D.C. to London.

Frequent Flyer Miles Calculator

Washington D.C. (IAD) → London (LHR).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
3677
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
3677

Round trip?