The flight distance from Portland International Airport (PDX) in Portland, United States to Smith Field (SLG) in Siloam Springs, United States is 2,566 kilometers (1,595 miles / 1,386 nautical miles). The estimated flight time for this route is approximately 4h, flying east southeast at a heading of 104°.

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 13:26 in Portland, it's 15:26 in Siloam Springs.

There is a significant elevation difference of 1,161 feet between the two airports. Smith Field sits higher than Portland International Airport.

The return flight from Siloam Springs (SLG) to Portland (PDX) follows a heading of 303° (west 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 Portland International Airport (PDX) and Smith Field (SLG) detail pages, or use our flight duration calculator to compare other routes.