The flight distance from Granite Mountain Air Station (GMT) in Granite Mountain, United States to Washington Dulles International Airport (IAD) in Washington, United States is 5,860 kilometers (3,641 miles / 3,164 nautical miles). The estimated flight time for this route is approximately 8h, flying east northeast at a heading of 77°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

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 4-hour time difference between the two cities.

Time zone information: When it's 14:41 in Granite Mountain, it's 18:41 in Washington. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,001 feet between the two airports. Washington Dulles International Airport sits lower than Granite Mountain Air Station.

The return flight from Washington (IAD) to Granite Mountain (GMT) follows a heading of 329° (north 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 Granite Mountain Air Station (GMT) and Washington Dulles International Airport (IAD) detail pages, or use our flight duration calculator to compare other routes.