The flight distance from Portland International Airport (PDX) in Portland, United States to Portsmouth International At Pease Airport (PSM) in Portsmouth, United States is 4,056 kilometers (2,520 miles / 2,190 nautical miles). The estimated flight time for this route is approximately 6h, flying east northeast at a heading of 75°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

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 3-hour time difference between the two cities.

Time zone information: When it's 23:55 in Portland, it's 02:55 in Portsmouth. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Portsmouth (PSM) to Portland (PDX) follows a heading of 292° (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 Portsmouth International At Pease Airport (PSM) detail pages, or use our flight duration calculator to compare other routes.