Nonstop flight route between Tainan City, Taiwan, Republic of China and San Francisco, California, United States:

About this route:

A direct, nonstop flight between Tainan Airport (TNN), Tainan City, Taiwan, Republic of China and San Francisco International Airport (SFO), San Francisco, California, United States would travel a Great Circle distance of 6,606 miles (or 10,632 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 Tainan 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 Tainan 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:

Arrival Airport Information:

Facts about Tainan Airport (TNN):

• The closest airport to Tainan Airport (TNN) is Kaohsiung International Airport (Kaohsiung Siaogang Airport) (KHH), which is located 27 miles (44 kilometers) SSE of TNN.
• In addition to being known as "Tainan Airport", other names for TNN include "臺南航空站台南機場" and "Táinán HángkōngzhànTáinán Jīchǎng".
• On 21 March 2003, TransAsia Airways flight 543 on a flight from Taipei Songshan Airport to Tainan Airport, collided with a truck that was on runway 36R.
• Because of Tainan Airport's relatively low elevation of 63 feet, planes can take off or land at Tainan 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 furthest airport from Tainan Airport (TNN) is Dr. Luis María Argaña International Airport (ESG), which is nearly antipodal to Tainan Airport (meaning Tainan Airport is almost on the exact opposite side of the Earth from Dr. Luis María Argaña International Airport), and is located 12,355 miles (19,883 kilometers) away in Mariscal Estigarribia, Paraguay.
• Tainan Airport (TNN) has 2 runways.
• International flights began on 18 July 2013 to Hong Kong, with a 3 times weekly service by China Airlines using Boeing 737-800s.
• It is the third busiest domestic airport after Taipei Songshan Airport and Kaohsiung Airport.

Facts about San Francisco International Airport (SFO):

• SFO experiences delays in overcast weather when only two of the airport's four runways can be used at a time because the centerlines of the parallel runways are only 750 feet apart.
• San Francisco International Airport (SFO) has 4 runways.
• San Francisco International Airport handled 44,477,209 passengers last year.
• In 1989 a master plan and Environmental Impact Report were prepared to guide development over the next two decades.
• On May 12, 2008, a $383 million renovation project was announced that included a new control tower, the use of green materials, and a seismic retrofit.
• Since the mid-2000s recovery at SFO has been evident.
• In summer 2011, Lufthansa and Air France operated the Airbus A380 at SFO seasonally, the first A380 scheduled service to the airport.
• 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.
• 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 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.