Nonstop flight route between Kelso, Washington, United States and San Francisco, California, United States:
Departure Airport:

Arrival Airport:

Distance from KLS to SFO:
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- About this route
- KLS Airport Information
- SFO Airport Information
- Facts about KLS
- Facts about SFO
- Map of Nearest Airports to KLS
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- Map of Furthest Airports from KLS
- List of Furthest Airports from KLS
- Map of Nearest Airports to SFO
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- List of Furthest Airports from SFO
About this route:
A direct, nonstop flight between Southwest Washington Regional Airport (KLS), Kelso, Washington, United States and San Francisco International Airport (SFO), San Francisco, California, United States would travel a Great Circle distance of 588 miles (or 946 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 relatively short distance between Southwest Washington Regional Airport and San Francisco International Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | KLS / KKLS |
Airport Name: | Southwest Washington Regional Airport |
Location: | Kelso, Washington, United States |
GPS Coordinates: | 46°7'5"N by 122°53'53"W |
Area Served: | Longview-Kelso Metropolitan Area |
Operator/Owner: | City of Kelso |
Airport Type: | Public |
Elevation: | 20 feet (6 meters) |
# of Runways: | 1 |
View all routes: | Routes from KLS |
More Information: | KLS Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | SFO / KSFO |
Airport Name: | San Francisco International Airport |
Location: | San Francisco, California, United States |
GPS Coordinates: | 37°37'8"N by 122°22'30"W |
Area Served: | San Francisco |
Operator/Owner: | City & County of San Francisco |
Airport Type: | Public |
Elevation: | 13 feet (4 meters) |
# of Runways: | 4 |
View all routes: | Routes from SFO |
More Information: | SFO Maps & Info |
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.
- The airport has one passenger terminal consisting of 12 gates.
- 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.
- Kelso-Longview Airport opened in May 1941 on 109 acres of a nearby dairy farm, as a training field for amateur pilots, and has since become a regional transportation center for southwest Washington.
- 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.
- Southwest Washington Regional Airport covers an area of 110 acres at an elevation of 20 feet above mean sea level.
- Southwest Washington Regional Airport (KLS) currently has only 1 runway.
Facts about San Francisco International Airport (SFO):
- On May 12, 2008, a $383 million renovation project was announced that included a new control tower, the use of green materials, and a seismic retrofit.
- SFO is the largest airport in the Bay Area and the second busiest in California, after Los Angeles International Airport.
- SFO was one of several US airports which operated the Registered Traveler program from April 2007 until funding ended in June 2009, which had allowed travelers to pass through security checkpoints quickly.
- In 1954 the airport's Central Passenger Terminal opened.
- The first international nonstops were ANA/BCPA DC-4s to Vancouver in 1946-47.
- After the war United Airlines used the Pan Am terminal 37°38′05″N 122°23′24″W / 37.6347°N 122.39°W / 37.6347.
- Because of San Francisco International Airport's relatively low elevation of 13 feet, planes can take off or land at San Francisco 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.
- The furthest airport from San Francisco International Airport (SFO) is Tôlanaro Airport (FTU), which is located 11,365 miles (18,290 kilometers) away in Tôlanaro, Madagascar.
- The closest airport to San Francisco International Airport (SFO) is Half Moon Bay AirportHalf Moon Bay Flight Strip (HAF), which is located only 10 miles (16 kilometers) SW of SFO.
- San Francisco International Airport handled 44,477,209 passengers last year.
- San Francisco International Airport (SFO) has 4 runways.