Nonstop flight route between Salmon, Idaho, United States and Kundiawa, Papua New Guinea:
Departure Airport:

Arrival Airport:

Distance from SMN to CMU:
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- About this route
- SMN Airport Information
- CMU Airport Information
- Facts about SMN
- Facts about CMU
- Map of Nearest Airports to SMN
- List of Nearest Airports to SMN
- Map of Furthest Airports from SMN
- List of Furthest Airports from SMN
- Map of Nearest Airports to CMU
- List of Nearest Airports to CMU
- Map of Furthest Airports from CMU
- List of Furthest Airports from CMU
About this route:
A direct, nonstop flight between Lemhi County Airport (SMN), Salmon, Idaho, United States and Chimbu Airport (CMU), Kundiawa, Papua New Guinea would travel a Great Circle distance of 7,056 miles (or 11,356 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 Lemhi County Airport and Chimbu 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 Lemhi County Airport and Chimbu Airport. You'll see that it will travel the same route of the red line on this map!
Departure 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 |
Arrival Airport Information:
IATA / ICAO Codes: | CMU / AYCH |
Airport Name: | Chimbu Airport |
Location: | Kundiawa, Papua New Guinea |
GPS Coordinates: | 6°1'27"S by 144°58'13"E |
Operator/Owner: | Government |
Airport Type: | Public |
Elevation: | 4974 feet (1,516 meters) |
# of Runways: | 1 |
View all routes: | Routes from CMU |
More Information: | CMU Maps & Info |
Facts about Lemhi County Airport (SMN):
- 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.
- Lemhi County Airport (SMN) currently has only 1 runway.
- 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.
Facts about Chimbu Airport (CMU):
- Chimbu Airport (CMU) currently has only 1 runway.
- The closest airport to Chimbu Airport (CMU) is Goroka Airport (GKA), which is located 29 miles (47 kilometers) E of CMU.
- Because of Chimbu Airport's high elevation of 4,974 feet, planes must typically fly at a faster airspeed in order to takeoff or land at CMU. Combined with a high temperature, this could make CMU a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- The furthest airport from Chimbu Airport (CMU) is Governador Carlos Wilson Airport (FEN), which is located 11,731 miles (18,879 kilometers) away in Fernando de Noronha, Pernambuco, Brazil.