Nonstop flight route between Salmon, Idaho, United States and Asmara, Eritrea:
Departure Airport:

Arrival Airport:

Distance from SMN to ASM:
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- About this route
- SMN Airport Information
- ASM Airport Information
- Facts about SMN
- Facts about ASM
- 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 ASM
- List of Nearest Airports to ASM
- Map of Furthest Airports from ASM
- List of Furthest Airports from ASM
About this route:
A direct, nonstop flight between Lemhi County Airport (SMN), Salmon, Idaho, United States and Asmara International Airport (ASM), Asmara, Eritrea would travel a Great Circle distance of 7,927 miles (or 12,758 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 Asmara International 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 Asmara International 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: | ASM / HHAS |
Airport Name: | Asmara International Airport |
Location: | Asmara, Eritrea |
GPS Coordinates: | 15°17'30"N by 38°54'38"E |
Area Served: | Asmara |
Airport Type: | Military/Public |
Elevation: | 7661 feet (2,335 meters) |
# of Runways: | 2 |
View all routes: | Routes from ASM |
More Information: | ASM Maps & Info |
Facts about Lemhi County Airport (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.
- The closest airport to Lemhi County Airport (SMN) is Challis Airport (CHL), which is located 45 miles (72 kilometers) SSW of 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.
Facts about Asmara International Airport (ASM):
- The furthest airport from Asmara International Airport (ASM) is Fangatau Airport (FGU), which is nearly antipodal to Asmara International Airport (meaning Asmara International Airport is almost on the exact opposite side of the Earth from Fangatau Airport), and is located 12,398 miles (19,952 kilometers) away in Fangatau, French Polynesia.
- The Asmara airport was created in 1922, the first such facility to be opened in Italian Eritrea.
- Because of Asmara International Airport's high elevation of 7,661 feet, planes must typically fly at a faster airspeed in order to takeoff or land at ASM. Combined with a high temperature, this could make ASM a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- The closest airport to Asmara International Airport (ASM) is Massawa International Airport (MSW), which is located 41 miles (66 kilometers) NE of ASM.
- The airport is the most important of Eritrea, even if it has some restrictions because it is located inside the external neighboroughs of Asmara.
- During World War II, the airport was nearly destroyed by the British.
- Asmara International Airport has capacity restrictions due to its small terminal, short runway and 1.5-mile altitude.
- Asmara International Airport (ASM) has 2 runways.