The flight distance from Baltimore/Washington International Thurgood Marshall Airport (BWI) in Baltimore, United States to Lemhi County Airport (SMN) in Salmon, United States is 3,109 kilometers (1,932 miles / 1,679 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 2-hour time difference between the two cities.

Time zone information: When it's 14:21 in Baltimore, it's 12:21 in Salmon.

There is a significant elevation difference of 3,901 feet between the two airports. Lemhi County Airport sits higher than Baltimore/Washington International Thurgood Marshall Airport.

The return flight from Salmon (SMN) to Baltimore (BWI) follows a heading of 89° (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 Baltimore/Washington International Thurgood Marshall Airport (BWI) and Lemhi County Airport (SMN) detail pages, or use our flight duration calculator to compare other routes.