Distance from IAD to DCA
Driving route: -- ( - )
Driving route: -- ( - )
Extended route information
The flight distance between airports Washington Dulles International Airport (IAD) and Ronald Reagan Washington National Airport (DCA) is 23.42 mi (37.69 km). This corresponds to an approximate flight time of 0h 32min. Similar flight routes: IAD → IAD , IAD → BWI , IAD → RIC , IAD → PHL , DCA → DCA
Bearing: 105.85° (ESE)The initial bearing on the course from IAD to DCA is 105.85° and the compass direction is ESE.
Midpoint: 38.89849,-77.24661The geographic midpoint between IAD and DCA is in 11.69 mi (18.81 km) distance between both points in a bearing of 105.85°. It is located in United States of America, Virginia, Fairfax County, Vienna.
Distance: 23.37 mi (37.61 km)The shortest distance (air line) between IAD and DCA is 23.37 mi (37.61 km).
Driving route: -- ( - )The shortest route between IAD and DCA is according to the route planner. The driving time is approx. . Half of the trip is reached in .
Time difference: 0hIAD and DCA are both in the same time zone America/New_York.
How is the distance calculated?
To calculate the distance between IAD and DCA, the place names are converted into coordinates (latitude and longitude). The respective geographic centre is used for cities, regions and countries. To calculate the distance the Haversine formula is applied.
Similar routes:
Similar distance (± 0.5%)
DCA is just as far away from IAD as IAD from Washington (37 km).
IAD to New York, IAD to Los Angeles, IAD to Chicago, IAD to Houston, IAD to Philadelphia, IAD to Phoenix, IAD to San Antonio, IAD to San Diego, IAD to Dallas, IAD to San Jose, IAD to Austin, IAD to Jacksonville, IAD to Indianapolis, DCA to New York, DCA to Los Angeles, DCA to Chicago, DCA to Houston, DCA to Philadelphia, DCA to Phoenix, DCA to San Antonio, DCA to San Diego, DCA to Dallas, DCA to San Jose, DCA to Austin, DCA to Jacksonville, DCA to Indianapolis,
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