Nonstop flight route between Falmouth, Massachusetts, United States and Portsmouth, New Hampshire, United States:
Departure Airport:

Arrival Airport:

Distance from FMH to PSM:
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- About this route
- FMH Airport Information
- PSM Airport Information
- Facts about FMH
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- List of Furthest Airports from FMH
- Map of Nearest Airports to PSM
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- List of Furthest Airports from PSM
About this route:
A direct, nonstop flight between Otis Air National Guard Base Coast Guard Air Station Cape Cod (FMH), Falmouth, Massachusetts, United States and Portsmouth International Airport at Pease (PSM), Portsmouth, New Hampshire, United States would travel a Great Circle distance of 99 miles (or 160 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 relatively short distance between Otis Air National Guard Base Coast Guard Air Station Cape Cod and Portsmouth International Airport at Pease, the route shown on this map most likely still appears to be a straight line.
Departure 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 |
Arrival Airport Information:
IATA / ICAO Codes: | PSM / KPSM |
Airport Name: | Portsmouth International Airport at Pease |
Location: | Portsmouth, New Hampshire, United States |
GPS Coordinates: | 43°4'41"N by 70°49'23"W |
Area Served: | Portsmouth, New Hampshire |
Operator/Owner: | Pease Development Authority |
Airport Type: | Public / Military |
Elevation: | 100 feet (30 meters) |
# of Runways: | 1 |
View all routes: | Routes from PSM |
More Information: | PSM Maps & Info |
Facts about Otis Air National Guard Base Coast Guard Air Station Cape Cod (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.
- Otis was unique because it had its own schools for the students who lived on the base.
- In 1978, the Regular Air Force returned to Otis ANGB with the construction of the Precision Acquisition Vehicle Entry Phased Array Warning System near the Cape Cod Canal.
- During the Cold War, the base was a key Aerospace Defense Command installation.
- In addition to being known as "Otis Air National Guard Base Coast Guard Air Station Cape Cod", another name for FMH is "Otis ANGB".
- Otis ANGB was an alternative landing site for the Space Shuttle orbiter if it ever had to abort its mission during liftoff.
- Strategic Air Command maintained the 19th Air Refueling Squadron at Otis AFB flying the KC-97 Stratotanker.
- 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.
- 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.
Facts about Portsmouth International Airport at Pease (PSM):
- It shares the runway with the Pease Air National Guard Base, which is actively utilized by the 157th Air Refueling Wing of the New Hampshire Air National Guard, an Air Mobility Command -gained Air National Guard unit operating the KC-135R Stratotanker aircraft.
- The closest airport to Portsmouth International Airport at Pease (PSM) is Sanford Seacoast Regional Airport (SFM), which is located 23 miles (36 kilometers) NNE of PSM.
- The airport served as a hub for Pan Am from 1998 until 2005, when all mainline Pan Am flights at the airport were suspended.
- Portsmouth International Airport at Pease (PSM) currently has only 1 runway.
- The furthest airport from Portsmouth International Airport at Pease (PSM) is Margaret River Airport (MGV), which is located 11,729 miles (18,875 kilometers) away in Margaret River, Western Australia, Australia.
- Because of Portsmouth International Airport at Pease's relatively low elevation of 100 feet, planes can take off or land at Portsmouth International Airport at Pease 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.