Nonstop flight route between Hagåtña, Guam and Georgetown, Ascension Island, Saint Helena:
Departure Airport:

Arrival Airport:

Distance from GUM to ASI:
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- About this route
- GUM Airport Information
- ASI Airport Information
- Facts about GUM
- Facts about ASI
- Map of Nearest Airports to GUM
- List of Nearest Airports to GUM
- Map of Furthest Airports from GUM
- List of Furthest Airports from GUM
- 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 Guam International Airport (GUM), Hagåtña, Guam and RAF Ascension (ASI), Georgetown, Ascension Island, Saint Helena would travel a Great Circle distance of 10,975 miles (or 17,662 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 Guam International Airport 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 Guam International Airport 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: | GUM / PGUM |
Airport Names: |
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Location: | Hagåtña, Guam |
GPS Coordinates: | 13°29'2"N by 144°47'49"E |
Area Served: | Guam |
Operator/Owner: | A.B. Won Pat International Airport Authority, Guam |
Airport Type: | Public |
Elevation: | 297 feet (91 meters) |
# of Runways: | 2 |
View all routes: | Routes from GUM |
More Information: | GUM 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 Guam International Airport (GUM):
- Guam International Airport handled 2,807,205 passengers last year.
- Guam International Airport (GUM) has 2 runways.
- In addition to being known as "Guam International Airport", another name for GUM is "Antonio B. Won Pat International Airport".
- Several fatal accidents have occurred on and near Guam over the years.
- Since all flights require customs or immigration inspection, the airport's post-security concourse and gate area was not designed to separate arriving and departing passengers.
- The closest airport to Guam International Airport (GUM) is Andersen Air Force Base (UAM), which is located only 11 miles (17 kilometers) NE of GUM.
- Arrival passenger inspection is conducted by the U.S.
- Because of Guam International Airport's relatively low elevation of 297 feet, planes can take off or land at Guam 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 Guam International Airport (GUM) is Salvador-Deputado Luís Eduardo Magalhães International Airport (2 de Julho) (SSA), which is nearly antipodal to Guam International Airport (meaning Guam International Airport is almost on the exact opposite side of the Earth from Salvador-Deputado Luís Eduardo Magalhães International Airport (2 de Julho)), and is located 12,223 miles (19,671 kilometers) away in Salvador, Bahia, Brazil.
Facts about RAF Ascension (ASI):
- The Target Tracking Radar Station was a Nike Zeus test facility for tracking reentry vehicles from Cape Canaveral missile launches.
- The closest airport to RAF Ascension (ASI) is Sasstown Airport (SAZ), which is located 965 miles (1,553 kilometers) NNE of ASI.
- The RAF presence on Ascension is backed up by United States Air Force personnel, who contribute a similar number of service personnel to ensure the effective running of the station, under the command of Captain Eduard Rodriguez, who is responsible to the RAF Station Commander.
- The station comes under the overall jurisdiction of the Commander British Forces South Atlantic Islands, an officer of one-star rank.
- In addition to being known as "RAF Ascension", another name for ASI is "Wideawake Airbase/Field".
- 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.