Air Miles Calculator

Distance between Redmond, OR (RDM) and Washington D.C. (IAD)

Flight distance from Redmond to Washington D.C. (Roberts Field – Washington Dulles International Airport) is 2266 miles / 3646 kilometers / 1969 nautical miles. Estimated flight time is 4 hours 47 minutes.

Driving distance from Redmond (RDM) to Washington D.C. (IAD) is 2699 miles / 4343 kilometers and travel time by car is about 45 hours 49 minutes.

Map of flight path and driving directions from Redmond to Washington D.C..

Shortest flight path between Roberts Field (RDM) and Washington Dulles International Airport (IAD).

How far is Washington D.C. from Redmond?

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

Vincenty's formula (applied above)
  • 2265.650 miles
  • 3646.210 kilometers
  • 1968.796 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
  • 2260.006 miles
  • 3637.128 kilometers
  • 1963.892 nautical miles

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

Airport information


A Roberts Field
City: Redmond, OR
Country: United States Flag of United States
IATA Code: RDM
ICAO Code: KRDM
Coordinates: 44°15′14″N, 121°9′0″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

Time difference and current local times

The time difference between Redmond and Washington D.C. is 3 hours. Washington D.C. is 3 hours ahead of Redmond.

Time Difference

Redmond, OR

 PST

Washington D.C.

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 248 kg (547 pounds).

Frequent Flyer Miles Calculator

Redmond (RDM) → Washington D.C. (IAD).

Distance:
2266
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2266

Round trip?