Flight distance from Raleigh to Washington D.C. (Raleigh–Durham Internationwide Airport – Ronald Reagan Washington National Airport) is 227 miles / 365 kilometers / 197 nautical miles. Estimated flight time is 55 minutes.

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Driving distance from Raleigh (RDU) to Washington D.C. (DCA) is 265 miles / 426 kilometers and also take a trip time by auto is about 4 hours 50 minutes.





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Shortest flight path in between Raleigh–Durham Internationwide Airport (RDU) and also Ronald Reagan Washington National Airport (DCA).


Tbelow are several ways to calculate distances between Raleigh and Washington D.C.. Here are two common methods:

Vincenty"s formula (used above)226.603 miles364.682 kilometers196.912 nautical miles

Vincenty"s formula calculates the distance in between latitude/longitude points on the earth’s surconfront, making use of an ellipsoidal design of the earth.

Haversine formula226.859 miles365.094 kilometers197.135 nautical miles

The haversine formula calculates the distance in between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance in between two points).

See more: Driving Distance From Little Rock To Fayetteville (Arkansas) From Little Rock


ARaleigh–Durham Internationwide Airport
City:Raleigh, NC
Country:United States
IATA Code:RDU
ICAO Code:KRDU
Coordinates:35°52′39″N, 78°47′14″W

BRonald Reagan Washington National Airport
City:Washington D.C.
Country:United States
IATA Code:DCA
ICAO Code:KDCA
Coordinates:38°51′7″N, 77°2′15″W

Raleigh to Washington D.C. distance (RDU to IAD)
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