The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Stephenville Clark Regional Airport (SEP) in Stephenville, United States is 2,007 kilometers (1,247 miles / 1,084 nautical miles). The estimated flight time for this route is approximately 3h, flying west southwest at a heading of 255°.

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 1-hour time difference between the two cities.

Time zone information: When it's 17:38 in Washington, it's 16:38 in Stephenville.

There is a significant elevation difference of 1,009 feet between the two airports. Stephenville Clark Regional Airport sits higher than Washington Dulles International Airport.

The return flight from Stephenville (SEP) to Washington (IAD) follows a heading of 63° (east northeast). 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 Stephenville Clark Regional Airport (SEP) detail pages, or use our flight duration calculator to compare other routes.