Nonstop flight route between Jeju, South Korea and Salmon, Idaho, United States:
Departure Airport:

Arrival Airport:

Distance from CJU to SMN:
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- About this route
- CJU Airport Information
- SMN Airport Information
- Facts about CJU
- Facts about SMN
- Map of Nearest Airports to CJU
- List of Nearest Airports to CJU
- Map of Furthest Airports from CJU
- List of Furthest Airports from CJU
- 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 Jeju International Airport (CJU), Jeju, South Korea and Lemhi County Airport (SMN), Salmon, Idaho, United States would travel a Great Circle distance of 5,820 miles (or 9,367 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 Jeju International Airport and Lemhi County 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 Jeju International Airport and Lemhi County Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | CJU / RKPC |
Airport Names: |
|
Location: | Jeju, South Korea |
GPS Coordinates: | 33°30'41"N by 126°29'35"E |
Area Served: | Jeju Island |
Operator/Owner: | Korea Airports Corporation |
Airport Type: | Public |
Elevation: | 118 feet (36 meters) |
# of Runways: | 2 |
View all routes: | Routes from CJU |
More Information: | CJU 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 Jeju International Airport (CJU):
- The furthest airport from Jeju International Airport (CJU) is Treinta y Tres Airport (TYT), which is nearly antipodal to Jeju International Airport (meaning Jeju International Airport is almost on the exact opposite side of the Earth from Treinta y Tres Airport), and is located 12,384 miles (19,929 kilometers) away in Treinta y Tres, Treinta y Tres, Uruguay.
- On 10 August 1994, Korean Air Flight 2033 overran the runway while attempting to land at Jeju International Airport.
- Jeju International Airport (CJU) has 2 runways.
- The closest airport to Jeju International Airport (CJU) is Jeongseok / Jungseok Airport (JDG), which is located only 15 miles (24 kilometers) ESE of CJU.
- In addition to being known as "Jeju International Airport", other names for CJU include "제주국제공항 濟州國際空港", "Jeju Gukje Gonghang" and "Cheju Kukche Konghang".
- Jeju International Airport is the 2nd largest airport in South Korea, just behind Incheon Airport in Incheon.
- Because of Jeju International Airport's relatively low elevation of 118 feet, planes can take off or land at Jeju International 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.
- Jeju International Airport handled 20,055,238 passengers last year.
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.
- 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 closest airport to Lemhi County Airport (SMN) is Challis Airport (CHL), which is located 45 miles (72 kilometers) SSW of SMN.