• How far is Washington from Baltimore?

Map of distance from BWI to DCA

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Distance from BWI to DCA

The total driving distance from BWI to DCA is 38 miles or 61 kilometers.

The total straight line flight distance from BWI to DCA is 30 miles.

This is equivalent to 49 kilometers or 26 nautical miles.

Your trip begins at Baltimore/Washington International Thurgood Marshall Airport in Baltimore, Maryland. It ends at Ronald Reagan Washington National Airport in Washington, District of Columbia.

Your flight direction from BWI to DCA is Southwest (-139 degrees from North).

The distance calculator helps you figure out how far it is to get from BWI to DCA. It does this by computing the straight line flying distance ("as the crow flies") and the driving distance if the route is drivable. It uses all this data to compute the total travel mileage.

Distance calculator

Travelmath helps you find distances based on actual road trip directions, or the straight line flight distance. You can get the distance between cities, airports, states, countries, or zip codes to figure out the best route to travel to your destination. Compare the results to the straight line distance to determine whether it's better to drive or fly. 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 flying 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. You can also print out pages with a travel map.