Airport Comparison
| IAD | RDM | |
|---|---|---|
| Airport Name | Washington Dulles International Airport | Roberts Field |
| IATA Code | IAD | RDM |
| ICAO Code | KIAD | KRDM |
| City | Washington | Redmond |
| Country | United States | United States |
| Timezone | America/New_York | America/Los_Angeles |
| Elevation | 312 ft | 3,082 ft |
| Coordinates | 38.900000, -77.500000 | 44.250000, -121.150000 |
Washington (IAD) to Redmond (RDM) Flight Distance
The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Roberts Field (RDM) in Redmond, United States is 3,636 kilometers (2,259 miles / 1,963 nautical miles). The estimated flight time for this route is approximately 5h, flying west northwest at a heading of 294°.
This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.
This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 3-hour time difference between the two cities.
Time zone information: When it's 12:09 in Washington, it's 09:09 in Redmond. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.
There is a significant elevation difference of 2,769 feet between the two airports. Roberts Field sits higher than Washington Dulles International Airport.
The return flight from Redmond (RDM) to Washington (IAD) follows a heading of 84° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.
For more information about these airports, visit the Washington Dulles International Airport (IAD) and Roberts Field (RDM) detail pages, or use our flight duration calculator to compare other routes.