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

Arrival Airport:

Distance from ASI to FMH:
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- About this route
- ASI Airport Information
- FMH Airport Information
- Facts about ASI
- Facts about FMH
- Map of Nearest Airports to ASI
- List of Nearest Airports to ASI
- Map of Furthest Airports from ASI
- List of Furthest Airports from ASI
- Map of Nearest Airports to FMH
- List of Nearest Airports to FMH
- Map of Furthest Airports from FMH
- List of Furthest Airports from FMH
About this route:
A direct, nonstop flight between RAF Ascension (ASI), Georgetown, Ascension Island, Saint Helena and Otis Air National Guard Base Coast Guard Air Station Cape Cod (FMH), Falmouth, Massachusetts, United States would travel a Great Circle distance of 4,928 miles (or 7,931 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 RAF Ascension and Otis Air National Guard Base Coast Guard Air Station Cape Cod, 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 RAF Ascension and Otis Air National Guard Base Coast Guard Air Station Cape Cod. You'll see that it will travel the same route of the red line on this map!
Departure 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 |
Arrival Airport Information:
IATA / ICAO Codes: | FMH / KFMH |
Airport Names: |
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Location: | Falmouth, Massachusetts, United States |
GPS Coordinates: | 41°39'30"N by 70°31'17"W |
View all routes: | Routes from FMH |
More Information: | FMH Maps & Info |
Facts about RAF Ascension (ASI):
- The station comes under the overall jurisdiction of the Commander British Forces South Atlantic Islands, an officer of one-star rank.
- The NASA Tracking Station at Devil's Ashpit and the Cable & Wireless Earth Station at Donkey Plain were built in the "mid-sixties" for space operations and communications, including the latter's use for transmitting "microwave borne data via the Early Bird Satellite back to the NASA facility at Andover, Maine.
- The closest airport to RAF Ascension (ASI) is Sasstown Airport (SAZ), which is located 965 miles (1,553 kilometers) NNE of ASI.
- 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.
Facts about Otis Air National Guard Base Coast Guard Air Station Cape Cod (FMH):
- During World War II, the field was known as Naval Auxiliary Air Facility Otis and was a subordinate field for Naval Air Station Quonset Point, Rhode Island.
- The closest airport to Otis Air National Guard Base Coast Guard Air Station Cape Cod (FMH) is Barnstable Municipal Airport (HYA), which is located only 12 miles (20 kilometers) E of FMH.
- In December 2013, Otis was selected as a test site by the United States Federal Aviation Administration to "aid in researching the complexities of integrating Unmanned Aircraft Systems into the congested, northeast airspace." Massachusetts Institute of Technology will work with Otis to test drones at the airport.
- Originally scheduled to be closed by the 2005 BRAC, Otis ANGB was spared in last minute decisions.
- The Air National Guard's and 101st Tactical Fighter Squadron used Otis when the active duty Air Force was present and shared missions with the 33rd Tactical Fighter Wing while operating their own aircraft as indicated in the previous paragraph regarding the Cold War.
- The furthest airport from Otis Air National Guard Base Coast Guard Air Station Cape Cod (FMH) is Margaret River Airport (MGV), which is located 11,821 miles (19,024 kilometers) away in Margaret River, Western Australia, Australia.
- In addition to being known as "Otis Air National Guard Base Coast Guard Air Station Cape Cod", another name for FMH is "Otis ANGB".