The flight distance from St Mary's Airport (KSM) in St Mary'S, United States to Portland International Airport (PDX) in Portland, United States is 3,158 kilometers (1,962 miles / 1,705 nautical miles). The estimated flight time for this route is approximately 5h, flying east southeast at a heading of 106°.

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 11:04 in St Mary'S, it's 12:04 in Portland.

The return flight from Portland (PDX) to St Mary'S (KSM) follows a heading of 320° (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 St Mary's Airport (KSM) and Portland International Airport (PDX) detail pages, or use our flight duration calculator to compare other routes.