Nonstop flight route between Incheon (near Seoul), South Korea and Kelso, Washington, United States:

About this route:

A direct, nonstop flight between Incheon International Airport (ICN), Incheon (near Seoul), South Korea and Southwest Washington Regional Airport (KLS), Kelso, Washington, United States would travel a Great Circle distance of 5,242 miles (or 8,435 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 Incheon International Airport and Southwest Washington Regional 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 Incheon International Airport and Southwest Washington Regional Airport. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

Arrival Airport Information:

Facts about Incheon International Airport (ICN):

• The airport was originally planned to be built in three phases, incrementally increasing airport capacity as the demand grew.
• Incheon International Airport (ICN) has 3 runways.
• The passenger concourse was completed at the end of May 2008, and all foreign airlines use this terminal as of 10 June 2008.
• Incheon International Airport handled 41,482,828 passengers last year.
• Because of Incheon International Airport's relatively low elevation of 23 feet, planes can take off or land at Incheon 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.
• In addition to being known as "Incheon International Airport", other names for ICN include "인천국제공항 仁川國際空港" and "Incheon Gukje Gonghang Inch'ŏn Kukche Konghang".
• The furthest airport from Incheon International Airport (ICN) is Villa Gesell Airport (VLG), which is nearly antipodal to Incheon International Airport (meaning Incheon International Airport is almost on the exact opposite side of the Earth from Villa Gesell Airport), and is located 12,246 miles (19,707 kilometers) away in Villa Gesell, Buenos Aires, Argentina.
• There are three parallel paved asphalt runways in operation, 15R/33L, 15L/33R and 16/34.
• Incheon International Airport is located west of Incheon's city center, on an artificially created piece of land between Yeongjong and Yongyu islands.
• The closest airport to Incheon International Airport (ICN) is Gimpo International Airport (GMP), which is located 20 miles (33 kilometers) ENE of ICN.

Facts about Southwest Washington Regional Airport (KLS):

• The furthest airport from Southwest Washington Regional Airport (KLS) is Tôlanaro Airport (FTU), which is located 10,876 miles (17,503 kilometers) away in Tôlanaro, Madagascar.
• Southwest Washington Regional Airport is a city-owned public-use airport located two nautical miles southeast of the central business district of Kelso, in Cowlitz County, Washington, United States.
• There is one flight school located at the airport.
• Southwest Washington Regional Airport (KLS) currently has only 1 runway.
• The closest airport to Southwest Washington Regional Airport (KLS) is South Lewis County Airport (TDO), which is located 25 miles (41 kilometers) N of KLS.
• Because of Southwest Washington Regional Airport's relatively low elevation of 20 feet, planes can take off or land at Southwest Washington Regional 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.