Nonstop flight route between Portsmouth, New Hampshire, United States and Port Heiden, Alaska, United States:

About this route:

A direct, nonstop flight between Portsmouth International Airport at Pease (PSM), Portsmouth, New Hampshire, United States and Port Heiden Airport (PTH), Port Heiden, Alaska, United States would travel a Great Circle distance of 3,731 miles (or 6,005 kilometers).

A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the large distance between Portsmouth International Airport at Pease and Port Heiden Airport, the route shown on this map most likely appears curved because of this reason.

Try it at home! Get a globe and tightly lay a string between Portsmouth International Airport at Pease and Port Heiden Airport. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

Arrival Airport Information:

Facts about Portsmouth International Airport at Pease (PSM):

• Because of Portsmouth International Airport at Pease's relatively low elevation of 100 feet, planes can take off or land at Portsmouth International Airport at Pease at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
• Pease was one of 7 Launch Abort Sites and one of 18 Emergency Landing Sites for NASA space shuttle orbiters.
• The closest airport to Portsmouth International Airport at Pease (PSM) is Sanford Seacoast Regional Airport (SFM), which is located 23 miles (36 kilometers) NNE of PSM.
• The furthest airport from Portsmouth International Airport at Pease (PSM) is Margaret River Airport (MGV), which is located 11,729 miles (18,875 kilometers) away in Margaret River, Western Australia, Australia.
• Portsmouth International Airport at Pease, formerly known as Pease International Airport, is a joint civil and military use airport located one nautical mile west of the central business district of Portsmouth, a city in Rockingham County, New Hampshire, United States.
• Portsmouth International Airport at Pease (PSM) currently has only 1 runway.

Facts about Port Heiden Airport (PTH):

• On April 30, 2008, a Cessna Citation Excel business jet veered off the gravel runway 23 upon landing in a crosswind.
• The closest airport to Port Heiden Airport (PTH) is Chignik Fisheries Airport (KCG), which is located 44 miles (71 kilometers) S of PTH.
• Port Heiden Airport (PTH) has 2 runways.
• The furthest airport from Port Heiden Airport (PTH) is George Airport (GRJ), which is located 10,850 miles (17,462 kilometers) away in George, South Africa.
• Because of Port Heiden Airport's relatively low elevation of 95 feet, planes can take off or land at Port Heiden Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
• The airport was built in 1942 after the World War II Japanese attack on the Aleutian Islands.
• In addition to being known as "Port Heiden Airport", other names for PTH include "Port Heiden Air Force Station" and "Fort Morrow Army Airfield".