Nonstop flight route between Attawapiskat, Ontario, Canada and Portsmouth, New Hampshire, United States:
Departure Airport:

Arrival Airport:

Distance from YAT to PSM:
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- About this route
- YAT Airport Information
- PSM Airport Information
- Facts about YAT
- Facts about PSM
- Map of Nearest Airports to YAT
- List of Nearest Airports to YAT
- Map of Furthest Airports from YAT
- List of Furthest Airports from YAT
- Map of Nearest Airports to PSM
- List of Nearest Airports to PSM
- Map of Furthest Airports from PSM
- List of Furthest Airports from PSM
About this route:
A direct, nonstop flight between Attawapiskat Airport (YAT), Attawapiskat, Ontario, Canada and Portsmouth International Airport at Pease (PSM), Portsmouth, New Hampshire, United States would travel a Great Circle distance of 864 miles (or 1,391 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 Attawapiskat Airport 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: | YAT / CYAT |
Airport Name: | Attawapiskat Airport |
Location: | Attawapiskat, Ontario, Canada |
GPS Coordinates: | 52°55'39"N by 82°25'54"W |
Operator/Owner: | Government of Ontario |
Airport Type: | Public |
Elevation: | 30 feet (9 meters) |
# of Runways: | 1 |
View all routes: | Routes from YAT |
More Information: | YAT 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 Attawapiskat Airport (YAT):
- Attawapiskat Airport (YAT) currently has only 1 runway.
- The closest airport to Attawapiskat Airport (YAT) is Kashechewan Airport (ZKE), which is located 55 miles (88 kilometers) SE of YAT.
- The furthest airport from Attawapiskat Airport (YAT) is Margaret River Airport (MGV), which is located 10,866 miles (17,487 kilometers) away in Margaret River, Western Australia, Australia.
- Because of Attawapiskat Airport's relatively low elevation of 30 feet, planes can take off or land at Attawapiskat 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.
Facts about Portsmouth International Airport at Pease (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.
- 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 is located within the Pease International Tradeport, a result of the ongoing redevelopment of the former Pease Air Force Base which was closed under Base Realignment and Closure Commission action in the late 1980s and early 1990s.
- Portsmouth International Airport at Pease covers an area of 3,000 acres at an elevation of 100 feet above mean sea level.
- Portsmouth International Airport at Pease (PSM) currently has only 1 runway.
- 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 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.