Nonstop flight route between Mammoth Lakes, California, United States and St. Mary's, Alaska, United States:
Departure Airport:

Arrival Airport:

Distance from MMH to KSM:
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- About this route
- MMH Airport Information
- KSM Airport Information
- Facts about MMH
- Facts about KSM
- Map of Nearest Airports to MMH
- List of Nearest Airports to MMH
- Map of Furthest Airports from MMH
- List of Furthest Airports from MMH
- Map of Nearest Airports to KSM
- List of Nearest Airports to KSM
- Map of Furthest Airports from KSM
- List of Furthest Airports from KSM
About this route:
A direct, nonstop flight between Mammoth Yosemite Airport (MMH), Mammoth Lakes, California, United States and St. Mary's Airport (KSM), St. Mary's, Alaska, United States would travel a Great Circle distance of 2,520 miles (or 4,055 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 Mammoth Yosemite Airport and St. Mary's 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 Mammoth Yosemite Airport and St. Mary's Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | MMH / KMMH |
Airport Name: | Mammoth Yosemite Airport |
Location: | Mammoth Lakes, California, United States |
GPS Coordinates: | 37°37'27"N by 118°50'20"W |
Area Served: | Mammoth Lakes, California |
Operator/Owner: | Town of Mammoth Lakes |
Airport Type: | Public |
Elevation: | 7135 feet (2,175 meters) |
# of Runways: | 1 |
View all routes: | Routes from MMH |
More Information: | MMH Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | KSM / PASM |
Airport Name: | St. Mary's Airport |
Location: | St. Mary's, Alaska, United States |
GPS Coordinates: | 62°3'38"N by 163°18'6"W |
Operator/Owner: | Alaska DOT&PF |
Airport Type: | Public |
Elevation: | 312 feet (95 meters) |
# of Runways: | 2 |
View all routes: | Routes from KSM |
More Information: | KSM Maps & Info |
Facts about Mammoth Yosemite Airport (MMH):
- The closest airport to Mammoth Yosemite Airport (MMH) is Eastern Sierra Regional AirportBishop Army Airfield (BIH), which is located 31 miles (50 kilometers) ESE of MMH.
- Mammoth Yosemite Airport (MMH) currently has only 1 runway.
- The furthest airport from Mammoth Yosemite Airport (MMH) is Pierrefonds Airport (ZSE), which is located 11,259 miles (18,120 kilometers) away in Saint-Pierre, Réunion.
- Because of Mammoth Yosemite Airport's high elevation of 7,135 feet, planes must typically fly at a faster airspeed in order to takeoff or land at MMH. Combined with a high temperature, this could make MMH a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- The airport covers 230 acres at an elevation of 7,135 feet.
Facts about St. Mary's Airport (KSM):
- The furthest airport from St. Mary's Airport (KSM) is Cape Town International Airport (CPT), which is located 10,494 miles (16,889 kilometers) away in Cape Town, South Africa.
- The closest airport to St. Mary's Airport (KSM) is Mountain Village Airport (MOU), which is located only 13 miles (20 kilometers) W of KSM.
- St. Mary's Airport (KSM) has 2 runways.
- Because of St. Mary's Airport's relatively low elevation of 312 feet, planes can take off or land at St. Mary's 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.