The flight distance from Ronald Reagan Washington Ntl Airport (DCA) in Washington, United States to Lemhi County Airport (SMN) in Salmon, United States is 3,095 kilometers (1,923 miles / 1,671 nautical miles). The estimated flight time for this route is approximately 5h, flying west northwest at a heading of 295°.

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 2-hour time difference between the two cities.

Time zone information: When it's 06:50 in Washington, it's 04:50 in Salmon.

There is a significant elevation difference of 4,030 feet between the two airports. Lemhi County Airport sits higher than Ronald Reagan Washington Ntl Airport.

The return flight from Salmon (SMN) to Washington (DCA) follows a heading of 90° (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 Ronald Reagan Washington Ntl Airport (DCA) and Lemhi County Airport (SMN) detail pages, or use our flight duration calculator to compare other routes.