Nonstop flight route between Houston, Texas, United States and Tainan City, Taiwan, Republic of China:
Departure Airport:
Arrival Airport:
Distance from EFD to TNN:
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- About this route
 - EFD Airport Information
 - TNN Airport Information
 - Facts about EFD
 - Facts about TNN
 - Map of Nearest Airports to EFD
 - List of Nearest Airports to EFD
 - Map of Furthest Airports from EFD
 - List of Furthest Airports from EFD
 - Map of Nearest Airports to TNN
 - List of Nearest Airports to TNN
 - Map of Furthest Airports from TNN
 - List of Furthest Airports from TNN
 
About this route:
A direct, nonstop flight between Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field (EFD), Houston, Texas, United States and Tainan Airport (TNN), Tainan City, Taiwan, Republic of China would travel a Great Circle distance of 8,112 miles (or 13,055 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 Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field and Tainan 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 Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field and Tainan Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | EFD / KEFD | 
| Airport Names: | 
                    
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| Location: | Houston, Texas, United States | 
| GPS Coordinates: | 29°36'25"N by 95°9'32"W | 
| View all routes: | Routes from EFD | 
| More Information: | EFD Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | TNN / RCNN | 
| Airport Names: | 
                    
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| Location: | Tainan City, Taiwan, Republic of China | 
| GPS Coordinates: | 22°57'1"N by 120°12'20"E | 
| Operator/Owner: | Civil Aeronautics Administration | 
| Airport Type: | Public | 
| Elevation: | 63 feet (19 meters) | 
| # of Runways: | 2 | 
| View all routes: | Routes from TNN | 
| More Information: | TNN Maps & Info | 
Facts about Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field (EFD):
- The base, which consisted of a few hangars and some wooden headquarters buildings, was completed in a matter of months.
 - The furthest airport from Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field (EFD) is Cocos (Keeling) Island Airport (CCK), which is located 11,008 miles (17,716 kilometers) away in Cocos Islands, Australia.
 - The $80 million construction project includes a 40,000-square-foot Battle Command Training Center, which simulates war conditions in Iraq and Afghanistan., a second Armed Forces Reserve Center with an assembly hall and offices, a Welcome Center, which will handle retention, recruitment and military identification services.
 - By the end of 1943, more than 65 women who served in the Women's Army Corps were also stationed at Ellington.
 - Ellington now has the rare distinction of having all five military branches of the U.S.
 - In addition to being known as "Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field", another name for EFD is "Ellington Field JRB".
 - Several years later in 1927, Ellington's status was again threatened as local city leaders began to discuss the construction of a municipal airport.
 - The closest airport to Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field (EFD) is William P. Hobby Airport (HOU), which is located only 8 miles (12 kilometers) WNW of EFD.
 
Facts about Tainan Airport (TNN):
- Tainan Airport is a commercial airport located in South District, Tainan City, Taiwan.
 - Because of the shared use with the Air Force, the airport terminal was built quite a distance away from the airfield.
 - 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.
 - 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.
 - 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".
 - International flights began on 18 July 2013 to Hong Kong, with a 3 times weekly service by China Airlines using Boeing 737-800s.
 - 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.
 
