Air Miles Calculator

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

Distance from Raleigh–Durham International Airport to Washington Dulles International Airport is 224 miles / 360 kilometers / 194 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 223.822 miles
  • 360.207 kilometers
  • 194.496 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
  • 224.144 miles
  • 360.724 kilometers
  • 194.776 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 Washington Dulles International Airport (IAD) 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 Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W

Map

Flight map from Raleigh to Washington D.C..

Frequent Flyer Miles Calculator

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

Elite level bonus (%):
Booking class bonus (%):
Air miles:
224
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
224

Round trip?