Nonstop flight route between Portland, Oregon, United States and Chiang Mai, Thailand:

About this route:

A direct, nonstop flight between Portland International Airport (PDX), Portland, Oregon, United States and Chiang Mai International Airport (CNX), Chiang Mai, Thailand would travel a Great Circle distance of 7,284 miles (or 11,723 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 Portland International Airport and Chiang Mai International 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 Portland International Airport and Chiang Mai International 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 Portland International Airport (PDX):

• During World War II the airfield was used by the United States Army Air Forces.
• The furthest airport from Portland International Airport (PDX) is Tôlanaro Airport (FTU), which is located 10,903 miles (17,546 kilometers) away in Tôlanaro, Madagascar.
• The present PDX site was purchased by the Portland City Council in 1936.
• Portland International Airport (PDX) has 3 runways.
• Portland Airport has five concourses as well as a business aviation terminal.
• The closest airport to Portland International Airport (PDX) is Portland-Troutdale Airport (TTD), which is located only 10 miles (16 kilometers) ESE of PDX.
• Because of Portland International Airport's relatively low elevation of 30 feet, planes can take off or land at Portland International 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.
• In 1948 the entire airport grounds were flooded during the Vanport Flood, forcing scheduled airline services to reroute to nearby Troutdale Airport.
• In 1966 PDX had nonstop flights to SLC, DEN, ORD and no other cities farther east than Boise.
• The early 1990s saw a food court and extension added to Concourse C, and the opening of the new Concourse D in 1994.
• Portland International Airport handled 1,502,956 passengers last year.

Facts about Chiang Mai International Airport (CNX):

• Chiang Mai International Airport (CNX) currently has only 1 runway.
• The furthest airport from Chiang Mai International Airport (CNX) is Capitán FAP Renán Elías Olivera International Airport (PIO), which is located 11,965 miles (19,256 kilometers) away in Pisco, Peru.
• It is the major gateway to the north of Thailand, and currently the fourth busiest airport in the country.
• In addition to being known as "Chiang Mai International Airport", another name for CNX is "ท่าอากาศยานเชียงใหม่".
• Among the ongoing upgrades in 2014, apron will be expanded for larger planes, operating hours extended 6 hours to 24 hours, international arrival hall and domestic departure halls areas tripled.
• The closest airport to Chiang Mai International Airport (CNX) is Lampang Airport (LPT), which is located 49 miles (79 kilometers) SE of CNX.
• Chiang Mai International Airport handled 5,463,921 passengers last year.