Air Miles Calculator

Distance between Raleigh, NC (RDU) and Washington D.C. (DCA)

Distance from Raleigh–Durham International Airport to Ronald Reagan Washington National Airport is 227 miles / 365 kilometers / 197 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 226.603 miles
  • 364.682 kilometers
  • 196.912 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
  • 226.859 miles
  • 365.094 kilometers
  • 197.135 nautical miles

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

Flight duration

Estimated flight time from Raleigh–Durham International Airport (RDU) to Ronald Reagan Washington National Airport (DCA) is 55 minutes.

Time difference and current local times

There is no time difference between Raleigh and Washington D.C..

Time Difference

Raleigh
Washington D.C.

Raleigh, NC

 EST

Washington D.C.

 EST

Airport information


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

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

Map

Flight map from Raleigh to Washington D.C..

Frequent Flyer Miles Calculator

Raleigh (RDU) → Washington D.C. (DCA).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
227
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
227

Round trip?