Nonstop flight route between Chiang Mai, Thailand and San Francisco, California, United States:
Departure Airport:
Arrival Airport:
Distance from CNX to SFO:
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- About this route
 - CNX Airport Information
 - SFO Airport Information
 - Facts about CNX
 - Facts about SFO
 - Map of Nearest Airports to CNX
 - List of Nearest Airports to CNX
 - Map of Furthest Airports from CNX
 - List of Furthest Airports from CNX
 - Map of Nearest Airports to SFO
 - List of Nearest Airports to SFO
 - Map of Furthest Airports from SFO
 - List of Furthest Airports from SFO
 
About this route:
A direct, nonstop flight between Chiang Mai International Airport (CNX), Chiang Mai, Thailand and San Francisco International Airport (SFO), San Francisco, California, United States would travel a Great Circle distance of 7,705 miles (or 12,400 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 Chiang Mai International Airport and San Francisco 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 Chiang Mai International Airport and San Francisco International Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | CNX / VTCC | 
| Airport Names: | 
                    
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| Location: | Chiang Mai, Thailand | 
| GPS Coordinates: | 18°46'0"N by 98°57'45"E | 
| Area Served: | Chiang Mai Lamphun  | 
                
| Operator/Owner: | Royal Thai Air Force | 
| Airport Type: | Public / Military | 
| Elevation: | 1036 feet (316 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from CNX | 
| More Information: | CNX Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | SFO / KSFO | 
| Airport Name: | San Francisco International Airport | 
| Location: | San Francisco, California, United States | 
| GPS Coordinates: | 37°37'8"N by 122°22'30"W | 
| Area Served: | San Francisco | 
| Operator/Owner: | City & County of San Francisco | 
| Airport Type: | Public | 
| Elevation: | 13 feet (4 meters) | 
| # of Runways: | 4 | 
| View all routes: | Routes from SFO | 
| More Information: | SFO Maps & Info | 
Facts about Chiang Mai International Airport (CNX):
- The airport resides at an elevation of 1,036 feet above mean sea level.
 - 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.
 - Chiang Mai International Airport handled 5,463,921 passengers last year.
 - Chiang Mai International Airport (CNX) currently has only 1 runway.
 - In addition to being known as "Chiang Mai International Airport", another name for CNX is "ท่าอากาศยานเชียงใหม่".
 - The closest airport to Chiang Mai International Airport (CNX) is Lampang Airport (LPT), which is located 49 miles (79 kilometers) SE of CNX.
 
Facts about San Francisco International Airport (SFO):
- The furthest airport from San Francisco International Airport (SFO) is Tôlanaro Airport (FTU), which is located 11,365 miles (18,290 kilometers) away in Tôlanaro, Madagascar.
 - SFO is the largest airport in the Bay Area and the second busiest in California, after Los Angeles International Airport.
 - Before the 1930s, airports used a two-byte abbreviation.
 - Formerly known as the "South Terminal," Terminal 1 has Boarding Area B and Boarding Area C.
 - Because of San Francisco International Airport's relatively low elevation of 13 feet, planes can take off or land at San Francisco 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.
 - The closest airport to San Francisco International Airport (SFO) is Half Moon Bay AirportHalf Moon Bay Flight Strip (HAF), which is located only 10 miles (16 kilometers) SW of SFO.
 - San Francisco International Airport handled 44,477,209 passengers last year.
 - San Francisco International Airport (SFO) has 4 runways.
 - SFO has expanded through the decades.
 - Domestic flights on JetBlue Airways, Sun Country Airlines, and Hawaiian Airlines also operate from the International Terminal at boarding area A.
 
