Nonstop flight route between Chattanooga, Tennessee, United States and Salmon, Idaho, United States:
Departure Airport:

Arrival Airport:

Distance from CHA to SMN:
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- About this route
- CHA Airport Information
- SMN Airport Information
- Facts about CHA
- Facts about SMN
- Map of Nearest Airports to CHA
- List of Nearest Airports to CHA
- Map of Furthest Airports from CHA
- List of Furthest Airports from CHA
- 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 Chattanooga Metropolitan Airport (CHA), Chattanooga, Tennessee, United States and Lemhi County Airport (SMN), Salmon, Idaho, United States would travel a Great Circle distance of 1,657 miles (or 2,667 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 Chattanooga Metropolitan Airport 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: | CHA / KCHA |
Airport Names: |
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Location: | Chattanooga, Tennessee, United States |
GPS Coordinates: | 35°2'7"N by 85°12'14"W |
Area Served: | Chattanooga, Tennessee |
Airport Type: | Public |
Elevation: | 683 feet (208 meters) |
# of Runways: | 2 |
View all routes: | Routes from CHA |
More Information: | CHA 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 Chattanooga Metropolitan Airport (CHA):
- Because of Chattanooga Metropolitan Airport's relatively low elevation of 683 feet, planes can take off or land at Chattanooga Metropolitan 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.
- During World War II, Lovell Field served as a military training facility.
- The closest airport to Chattanooga Metropolitan Airport (CHA) is Marion County Airport (APT), which is located 22 miles (35 kilometers) W of CHA.
- Chattanooga Metropolitan Airport (CHA) has 2 runways.
- The Airport's ownership was transferred from Chattanooga to the Chattanooga Metropolitan Airport Authority in July 1985.
- In addition to being known as "Chattanooga Metropolitan Airport", another name for CHA is "Lovell Field".
- The furthest airport from Chattanooga Metropolitan Airport (CHA) is Margaret River Airport (MGV), which is located 11,280 miles (18,153 kilometers) away in Margaret River, Western Australia, Australia.
- Chattanooga Metropolitan Airport was home to the 241st Engineering Installation Squadron of the Tennessee Air National Guard until late 2010, when the squadron moved to a Bonny Oaks facility near the airport.
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 furthest airport from Lemhi County Airport (SMN) is Tôlanaro Airport (FTU), which is located 10,686 miles (17,197 kilometers) away in Tôlanaro, Madagascar.
- The closest airport to Lemhi County Airport (SMN) is Challis Airport (CHL), which is located 45 miles (72 kilometers) SSW of SMN.