How far is Washington D.C. from London?
There are several ways to calculate distances between London and Washington D.C.. 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).
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.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 422 kg (931 pounds).
London to Washington D.C. flight map.
Frequent Flyer Miles Calculator
London (LHR) → Washington D.C. (IAD).