Nonstop flight route between Pasco, Washington, United States and Kelso, Washington, United States:
Departure Airport:

Arrival Airport:

Distance from PSC to KLS:
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- About this route
- PSC Airport Information
- KLS Airport Information
- Facts about PSC
- Facts about KLS
- Map of Nearest Airports to PSC
- List of Nearest Airports to PSC
- Map of Furthest Airports from PSC
- List of Furthest Airports from PSC
- Map of Nearest Airports to KLS
- List of Nearest Airports to KLS
- Map of Furthest Airports from KLS
- List of Furthest Airports from KLS
About this route:
A direct, nonstop flight between Tri-Cities Airport (PSC), Pasco, Washington, United States and Southwest Washington Regional Airport (KLS), Kelso, Washington, United States would travel a Great Circle distance of 181 miles (or 291 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 Tri-Cities Airport and Southwest Washington Regional Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | PSC / KPSC |
Airport Name: | Tri-Cities Airport |
Location: | Pasco, Washington, United States |
GPS Coordinates: | 46°15'52"N by 119°7'8"W |
Area Served: | Tri-Cities, Washington |
Operator/Owner: | Port of Pasco, Washington |
Airport Type: | Public |
Elevation: | 407 feet (124 meters) |
# of Runways: | 3 |
View all routes: | Routes from PSC |
More Information: | PSC Maps & Info |
Arrival 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 |
Facts about Tri-Cities Airport (PSC):
- Because of Tri-Cities Airport's relatively low elevation of 407 feet, planes can take off or land at Tri-Cities 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 closest airport to Tri-Cities Airport (PSC) is Richland Airport (RLD), which is located only 9 miles (15 kilometers) WNW of PSC.
- Tri-Cities Airport (PSC) has 3 runways.
- The furthest airport from Tri-Cities Airport (PSC) is Tôlanaro Airport (FTU), which is located 10,781 miles (17,350 kilometers) away in Tôlanaro, Madagascar.
- Tri-Cities Airport is a public airport 2 miles northwest of Pasco, in Franklin County, Washington, USA.
- The airport's terminal at the south end of the field is the property of the Port of Pasco, at the north end of North 20th Avenue.
Facts about Southwest Washington Regional Airport (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.
- The airport has one passenger terminal consisting of 12 gates.
- 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.
- 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 closest airport to Southwest Washington Regional Airport (KLS) is South Lewis County Airport (TDO), which is located 25 miles (41 kilometers) N of KLS.
- There is one flight school located at the airport.
- Southwest Washington Regional Airport (KLS) currently has only 1 runway.