The flight distance from Gray Army Air Field (Joint Base Lewis-Mcchord) Airport (GRF) in Fort Lewis/Tacoma, United States to Washington Dulles International Airport (IAD) in Washington, United States is 3,723 kilometers (2,313 miles / 2,010 nautical miles). The estimated flight time for this route is approximately 5h, flying east at a heading of 87°.

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 23:16 in Fort Lewis/Tacoma, it's 02:16 in Washington. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Washington (IAD) to Fort Lewis/Tacoma (GRF) follows a heading of 299° (west northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Gray Army Air Field (Joint Base Lewis-Mcchord) Airport (GRF) and Washington Dulles International Airport (IAD) detail pages, or use our flight duration calculator to compare other routes.