Nonstop flight route between Houston, Texas, United States and Tehran, Iran:
Departure Airport:

Arrival Airport:

Distance from EFD to THR:
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- About this route
- EFD Airport Information
- THR Airport Information
- Facts about EFD
- Facts about THR
- 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 THR
- List of Nearest Airports to THR
- Map of Furthest Airports from THR
- List of Furthest Airports from THR
About this route:
A direct, nonstop flight between Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field (EFD), Houston, Texas, United States and Mehrabad Airport (THR), Tehran, Iran would travel a Great Circle distance of 7,426 miles (or 11,952 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 Mehrabad 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 Mehrabad 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: |
|
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: | THR / OIII |
Airport Names: |
|
Location: | Tehran, Iran |
GPS Coordinates: | 35°41'21"N by 51°18'48"E |
Area Served: | Tehran, Karaj |
Airport Type: | Joint (Public/Military) |
Elevation: | 3962 feet (1,208 meters) |
# of Runways: | 3 |
View all routes: | Routes from THR |
More Information: | THR Maps & Info |
Facts about Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field (EFD):
- New construction designated under the "Grow the Army" project was completed in 2010.
- Ellington AFB was selected as one of the first of twenty-four Air Defense Command stations of the permanent United States surveillance radar network.
- Though the 111th Observation Squadron had the excess World War I storage and maintenance facilities at Ellington Field, the squadron did not have a true headquarters building.
- The base, which consisted of a few hangars and some wooden headquarters buildings, was completed in a matter of months.
- 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.
- World War II, with its increasing need for trained pilots, helped to reestablish Ellington Field as an active facility.
- 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 United States Air Force's 147th Reconnaissance Wing is an Air National Guard unit operationally-gained by the Air Combat Command.
- In addition to being known as "Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field", another name for EFD is "Ellington Field JRB".
- Ellington Field was the site for advanced flight training for bomber pilots.
Facts about Mehrabad Airport (THR):
- The furthest airport from Mehrabad Airport (THR) is Totegegie Airport (GMR), which is located 11,490 miles (18,491 kilometers) away in Mangareva, Gambier Islands, French Polynesia.
- In addition to being known as "Mehrabad Airport", another name for THR is "فرودگاه مهرآباد".
- The airport was first time used as an airfield for aviation club planes in 1938, then after World War II along with becoming internationally recognized by joining Iran civil aviation organization to the ICAO in 1949, the airport also became an air force base.
- Mehrabad International Airport consists of six terminals, with Terminals 1,3 and 5 only used during Haj and Umrah seasons.
- Mehrabad Airport (THR) has 3 runways.
- The closest airport to Mehrabad Airport (THR) is Tehran Imam Khomeini International Airport (IKA), which is located 21 miles (34 kilometers) SSW of THR.
- IKA Airport was scheduled to open in 2004 with international flights gradually changing from Mehrabad starting with flights to countries bordering the Persian Gulf.
- Mehrabad Airport handled 13,163,368 passengers last year.