Distance from DCA to London, United Kingdom

The total distance from DCA to London, United Kingdom is 3,677 miles.

This is equivalent to 5,918 kilometers or 3,195 nautical miles.

Your trip begins at Ronald Reagan Washington National Airport in Washington, District of Columbia.
It ends in London, United Kingdom.

Your flight direction from Ronald Reagan Washington National Airport to London, United Kingdom is Northeast (49 degrees from North).

Are you flying the other direction? Check the reverse flight distance from London, United Kingdom to DCA.

The distance calculator measures the straight line flight distance ("as the crow flies") between points. It uses the great circle formula to compute the travel mileage.

Flight distance calculator

This site provides an online flight distance calculator for all types of travel routes. You can enter airports, cities, states, countries, or zip codes to find the distance between any two points. The database uses the latitude and longitude of each location to calculate distance using the great circle distance formula. The calculation is done using the Vincenty algorithm and the WGS84 ellipsoid model of the Earth, which is the same one used by most GPS receivers. This gives you the flight distance "as the crow flies." Find your flight distances quickly to estimate the number of frequent flyer miles you'll accumulate. Or ask how far is it between cities to solve your homework problems. You can lookup U.S. cities, or expand your search to get the world distance for international trips.

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