Distance between London (LHR) and Washington D.C. (IAD)
Flight distance from London to Washington D.C. (London Heathrow Airport – Washington Dulles International Airport) is 3677 miles / 5917 kilometers / 3195 nautical miles. Estimated flight time is 7 hours 27 minutes.
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Multiple airports
London - Washington D.C.
Map of flight path from London to Washington D.C..
Shortest flight path between London Heathrow Airport (LHR) and Washington Dulles International Airport (IAD).
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).
Airport information
| A | London Heathrow Airport |
|---|---|
| City: | London |
| Country: | United Kingdom  |
| IATA Code: | LHR |
| ICAO Code: | EGLL |
| Coordinates: | 51°28′14″N, 0°27′42″W |
| B | Washington Dulles International Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States  |
| IATA Code: | IAD |
| ICAO Code: | KIAD |
| Coordinates: | 38°56′40″N, 77°27′20″W |
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.
Time Difference
London
Washington D.C.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 416 kg (918 pounds).
Frequent Flyer Miles Calculator
London (LHR) → Washington D.C. (IAD).
In total
Round trip?