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London–Washington D.C. | LHR–IAD
Calculations with different methods
- 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).
Estimated flight time from Heathrow Airport (LHR) to Washington Dulles International Airport (IAD) is 7 hours 27 minutes.
Time difference and current local times
The time difference between London and Washington D.C. is 5 hours. Washington D.C. is 5 hours behind London.
London to Washington D.C. flight map.
Frequent Flyer Miles Calculator
London (LHR) → Washington D.C. (IAD).