Nonstop flight route between Portsmouth, New Hampshire, United States and Altus, Oklahoma, United States:
Departure Airport:

Arrival Airport:

Distance from PSM to LTS:
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- About this route
- PSM Airport Information
- LTS Airport Information
- Facts about PSM
- Facts about LTS
- Map of Nearest Airports to PSM
- List of Nearest Airports to PSM
- Map of Furthest Airports from PSM
- List of Furthest Airports from PSM
- Map of Nearest Airports to LTS
- List of Nearest Airports to LTS
- Map of Furthest Airports from LTS
- List of Furthest Airports from LTS
About this route:
A direct, nonstop flight between Portsmouth International Airport at Pease (PSM), Portsmouth, New Hampshire, United States and Altus Air Force Base (LTS), Altus, Oklahoma, United States would travel a Great Circle distance of 1,627 miles (or 2,619 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 Portsmouth International Airport at Pease and Altus Air Force Base, the route shown on this map most likely still appears to be a straight line.
Departure 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 |
Arrival Airport Information:
IATA / ICAO Codes: | LTS / KLTS |
Airport Names: |
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Location: | Altus, Oklahoma, United States |
GPS Coordinates: | 34°39'59"N by 99°16'5"W |
View all routes: | Routes from LTS |
More Information: | LTS Maps & Info |
Facts about Portsmouth International Airport at Pease (PSM):
- Portsmouth International Airport at Pease covers an area of 3,000 acres at an elevation of 100 feet above mean sea level.
- 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.
- 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.
- 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, formerly known as Pease International Airport, is a joint civil and military use airport located one nautical mile west of the central business district of Portsmouth, a city in Rockingham County, New Hampshire, United States.
- Portsmouth International Airport at Pease (PSM) currently has only 1 runway.
- 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.
- Pease was one of 7 Launch Abort Sites and one of 18 Emergency Landing Sites for NASA space shuttle orbiters.
Facts about Altus Air Force Base (LTS):
- The base would only sit idle for a few years.
- The furthest airport from Altus Air Force Base (LTS) is Sir Gaëtan Duval Airport (RRG), which is located 10,958 miles (17,635 kilometers) away in Rodrigues Island, Mauritius.
- The closest airport to Altus Air Force Base (LTS) is Altus/Quartz Mountain Regional Airport (AXS), which is located only 5 miles (7 kilometers) WNW of LTS.
- In addition to being known as "Altus Air Force Base", another name for LTS is "Altus AFB".
- Altus Air Force Base is a United States Air Force base located approximately 4 miles east-northeast of Altus, Oklahoma.
- In August 2002, the mission of the wing grew when the Air Force moved the basic loadmaster course from Sheppard AFB, Texas to Altus.
- The 97 AMW discontinued FTU responsibilities for the C-141 concurrent with that aircraft's retirement from the USAF inventory in 2006.
- June 1961 witnessed the activation of twelve Atlas “F” intercontinental ballistic missile sites within a 40-mile radius of the base.
- Between 1945 and 1953 Altus would serve as a scrap yard for hundreds of World War II era military aircraft.