Nonstop flight route between Tucson, Arizona, United States and Georgetown, Ascension Island, Saint Helena:
Departure Airport:

Arrival Airport:

Distance from DMA to ASI:
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- About this route
- DMA Airport Information
- ASI Airport Information
- Facts about DMA
- Facts about ASI
- Map of Nearest Airports to DMA
- List of Nearest Airports to DMA
- Map of Furthest Airports from DMA
- List of Furthest Airports from DMA
- Map of Nearest Airports to ASI
- List of Nearest Airports to ASI
- Map of Furthest Airports from ASI
- List of Furthest Airports from ASI
About this route:
A direct, nonstop flight between Davis–Monthan Air Force Base (DMA), Tucson, Arizona, United States and RAF Ascension (ASI), Georgetown, Ascension Island, Saint Helena would travel a Great Circle distance of 6,889 miles (or 11,087 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 Davis–Monthan Air Force Base and RAF Ascension, 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 Davis–Monthan Air Force Base and RAF Ascension. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | DMA / KDMA |
Airport Name: | Davis–Monthan Air Force Base |
Location: | Tucson, Arizona, United States |
GPS Coordinates: | 32°9'59"N by 110°52'59"W |
View all routes: | Routes from DMA |
More Information: | DMA Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | ASI / FHAW |
Airport Names: |
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Location: | Georgetown, Ascension Island, Saint Helena |
GPS Coordinates: | 7°58'9"S by 14°23'38"W |
Operator/Owner: | Ministry of Defence |
View all routes: | Routes from ASI |
More Information: | ASI Maps & Info |
Facts about Davis–Monthan Air Force Base (DMA):
- Two other major tenants, the 563rd Rescue Group and 943rd Rescue Group, are tasked to provide combat search and rescue support worldwide.
- In October 1981, President Ronald Reagan announced that, as part of the strategic modernization program, Titan II systems were to be retired by 1 October 1987.
- In 1962, the Strategic Air Command's 390th Strategic Missile Wing and its 18 Titan II ICBM sites around Tucson were activated.
- The 41st Electronic Combat Squadron, equipped with the EC-130H Compass Call aircraft, arrived on 1 July 1980, and reported to the 552d Airborne Warning and Control Wing.
- Davis–Monthan Air Force Base is a key ACC installation.
- In 1953, the jet age came to Davis-Monthan when SAC units on the base converted to the new Boeing B-47 Stratojet.
- The closest airport to Davis–Monthan Air Force Base (DMA) is Tucson International Airport (TUS), which is located only 5 miles (8 kilometers) SW of DMA.
- Military presence at the field began when Sergeant Simpson relocated his fuel and service operation to the site on 6 October 1927.
- The furthest airport from Davis–Monthan Air Force Base (DMA) is Sir Gaëtan Duval Airport (RRG), which is located 11,508 miles (18,521 kilometers) away in Rodrigues Island, Mauritius.
Facts about RAF Ascension (ASI):
- RAF Ascension Island was re-garrisoned by the RAF in 1982 and used extensively as a staging base during the Falklands War.
- RAF Ascension, more commonly known as RAF Ascension Island, and sometimes known as Wideawake Airfield or Ascension Island Base, is a British Royal Air Force station on Ascension Island in the Atlantic Ocean, near the Equator.
- The furthest airport from RAF Ascension (ASI) is Ujae Airport (UJE), which is nearly antipodal to RAF Ascension (meaning RAF Ascension is almost on the exact opposite side of the Earth from Ujae Airport), and is located 12,370 miles (19,907 kilometers) away in Ujae Atoll, Marshall Islands.
- In addition to being known as "RAF Ascension", another name for ASI is "Wideawake Airbase/Field".
- The closest airport to RAF Ascension (ASI) is Sasstown Airport (SAZ), which is located 965 miles (1,553 kilometers) NNE of ASI.