Nonstop flight route between Salmon, Idaho, United States and General Roca, Río Negro, Argentina:
Departure Airport:

Arrival Airport:

Distance from SMN to GNR:
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- About this route
- SMN Airport Information
- GNR Airport Information
- Facts about SMN
- Facts about GNR
- 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 GNR
- List of Nearest Airports to GNR
- Map of Furthest Airports from GNR
- List of Furthest Airports from GNR
About this route:
A direct, nonstop flight between Lemhi County Airport (SMN), Salmon, Idaho, United States and Dr. Arturo Umberto Illia Airport (GNR), General Roca, Río Negro, Argentina would travel a Great Circle distance of 6,483 miles (or 10,434 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 Dr. Arturo Umberto Illia 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 Dr. Arturo Umberto Illia 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: | GNR / SAHR |
Airport Names: |
|
Location: | General Roca, Río Negro, Argentina |
GPS Coordinates: | 39°0'2"S by 67°37'14"W |
Area Served: | General Roca |
Operator/Owner: | Government of Río Negro |
Airport Type: | Civil |
Elevation: | 853 feet (260 meters) |
# of Runways: | 1 |
View all routes: | Routes from GNR |
More Information: | GNR Maps & Info |
Facts about Lemhi County Airport (SMN):
- 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.
- 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 Dr. Arturo Umberto Illia Airport (GNR):
- The furthest airport from Dr. Arturo Umberto Illia Airport (GNR) is Taiyuan Wuxu International Airport (TYN), which is nearly antipodal to Dr. Arturo Umberto Illia Airport (meaning Dr. Arturo Umberto Illia Airport is almost on the exact opposite side of the Earth from Taiyuan Wuxu International Airport), and is located 12,349 miles (19,874 kilometers) away in Taiyuan, Shanxi, China.
- The closest airport to Dr. Arturo Umberto Illia Airport (GNR) is Presidente Perón Internacional Airport (NQN), which is located 29 miles (47 kilometers) W of GNR.
- In addition to being known as "Dr. Arturo Umberto Illia Airport", another name for GNR is "Aeropuerto de Gral. Roca Dr. Arturo Umberto Illia".
- Because of Dr. Arturo Umberto Illia Airport's relatively low elevation of 853 feet, planes can take off or land at Dr. Arturo Umberto Illia 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.
- Dr. Arturo Umberto Illia Airport (GNR) currently has only 1 runway.