Nonstop flight route between Falmouth, Massachusetts, United States and Salmon, Idaho, United States:
Departure Airport:

Arrival Airport:

Distance from FMH to SMN:
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- About this route
- FMH Airport Information
- SMN Airport Information
- Facts about FMH
- Facts about SMN
- Map of Nearest Airports to FMH
- List of Nearest Airports to FMH
- Map of Furthest Airports from FMH
- List of Furthest Airports from FMH
- Map of Nearest Airports to SMN
- List of Nearest Airports to SMN
- Map of Furthest Airports from SMN
- List of Furthest Airports from SMN
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 Lemhi County Airport (SMN), Salmon, Idaho, United States would travel a Great Circle distance of 2,164 miles (or 3,482 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 Lemhi County Airport, 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: | SMN / KSMN |
Airport Name: | Lemhi County Airport |
Location: | Salmon, Idaho, United States |
GPS Coordinates: | 45°7'26"N by 113°52'53"W |
Operator/Owner: | Lemhi County |
Airport Type: | Public |
Elevation: | 4043 feet (1,232 meters) |
# of Runways: | 1 |
View all routes: | Routes from SMN |
More Information: | SMN Maps & Info |
Facts about Otis Air National Guard Base Coast Guard Air Station Cape Cod (FMH):
- 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.
- 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 airport was a NASA Space Shuttle launch abort site.
- 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.
- 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.
- Air Force One lands at the base whenever President Barack Obama vacations on Martha's Vineyard.
- Strategic Air Command maintained the 19th Air Refueling Squadron at Otis AFB flying the KC-97 Stratotanker.
- The Air National Guard's and 101st Tactical Fighter Squadron used Otis when the active duty Air Force was present and shared missions with the 33rd Tactical Fighter Wing while operating their own aircraft as indicated in the previous paragraph regarding the Cold War.
Facts about Lemhi County Airport (SMN):
- Lemhi County Airport (SMN) currently has only 1 runway.
- Because of Lemhi County Airport's high elevation of 4,043 feet, planes must typically fly at a faster airspeed in order to takeoff or land at SMN. Combined with a high temperature, this could make SMN a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- The closest airport to Lemhi County Airport (SMN) is Challis Airport (CHL), which is located 45 miles (72 kilometers) SSW of SMN.
- The furthest airport from Lemhi County Airport (SMN) is Tôlanaro Airport (FTU), which is located 10,686 miles (17,197 kilometers) away in Tôlanaro, Madagascar.