Nonstop flight route between Portsmouth, New Hampshire, United States and Dillingham, Alaska, United States:
Departure Airport:

Arrival Airport:

Distance from PSM to DLG:
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- About this route
- PSM Airport Information
- DLG Airport Information
- Facts about PSM
- Facts about DLG
- 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 DLG
- List of Nearest Airports to DLG
- Map of Furthest Airports from DLG
- List of Furthest Airports from DLG
About this route:
A direct, nonstop flight between Portsmouth International Airport at Pease (PSM), Portsmouth, New Hampshire, United States and Dillingham Airport (DLG), Dillingham, Alaska, United States would travel a Great Circle distance of 3,666 miles (or 5,901 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 Portsmouth International Airport at Pease and Dillingham Airport, 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 Portsmouth International Airport at Pease and Dillingham Airport. You'll see that it will travel the same route of the red line on this map!
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: | DLG / PADL |
Airport Name: | Dillingham Airport |
Location: | Dillingham, Alaska, United States |
GPS Coordinates: | 59°2'40"N by 158°30'20"W |
Area Served: | Dillingham, Alaska |
Operator/Owner: | State of Alaska DOT&PF - Central Region |
Airport Type: | Public |
Elevation: | 81 feet (25 meters) |
# of Runways: | 1 |
View all routes: | Routes from DLG |
More Information: | DLG 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.
- 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 (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.
- 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.
Facts about Dillingham Airport (DLG):
- Dillingham Airport covers an area of 620 acres at an elevation of 81 feet above mean sea level.
- The furthest airport from Dillingham Airport (DLG) is George Airport (GRJ), which is located 10,706 miles (17,230 kilometers) away in George, South Africa.
- The closest airport to Dillingham Airport (DLG) is Clarks Point Airport (CLP), which is located only 15 miles (24 kilometers) S of DLG.
- Because of Dillingham Airport's relatively low elevation of 81 feet, planes can take off or land at Dillingham 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.
- Dillingham Airport (DLG) currently has only 1 runway.