Nonstop flight route between Kelso, Washington, United States and Christiansted, Saint Croix, U.S. Virgin Islands:
Departure Airport:

Arrival Airport:

Distance from KLS to SSB:
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- About this route
- KLS Airport Information
- SSB Airport Information
- Facts about KLS
- Facts about SSB
- Map of Nearest Airports to KLS
- List of Nearest Airports to KLS
- Map of Furthest Airports from KLS
- List of Furthest Airports from KLS
- Map of Nearest Airports to SSB
- List of Nearest Airports to SSB
- Map of Furthest Airports from SSB
- List of Furthest Airports from SSB
About this route:
A direct, nonstop flight between Southwest Washington Regional Airport (KLS), Kelso, Washington, United States and Christiansted Harbor Seaplane Base (SSB), Christiansted, Saint Croix, U.S. Virgin Islands would travel a Great Circle distance of 3,829 miles (or 6,162 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 Southwest Washington Regional Airport and Christiansted Harbor Seaplane Base, 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 Southwest Washington Regional Airport and Christiansted Harbor Seaplane Base. You'll see that it will travel the same route of the red line on this map!
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: | SSB / |
Airport Names: |
|
Location: | Christiansted, Saint Croix, U.S. Virgin Islands |
GPS Coordinates: | 17°44'49"N by 64°42'17"W |
Operator/Owner: | Virgin Islands Port Authority |
Airport Type: | Private |
Elevation: | 0 feet (0 meters) |
# of Runways: | 1 |
View all routes: | Routes from SSB |
More Information: | SSB Maps & Info |
Facts about Southwest Washington Regional Airport (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.
- Southwest Washington Regional Airport (KLS) currently has only 1 runway.
- 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.
- 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 closest airport to Southwest Washington Regional Airport (KLS) is South Lewis County Airport (TDO), which is located 25 miles (41 kilometers) N of KLS.
Facts about Christiansted Harbor Seaplane Base (SSB):
- The furthest airport from Christiansted Harbor Seaplane Base (SSB) is Barrow Island Airport (BWB), which is nearly antipodal to Christiansted Harbor Seaplane Base (meaning Christiansted Harbor Seaplane Base is almost on the exact opposite side of the Earth from Barrow Island Airport), and is located 12,221 miles (19,668 kilometers) away in Barrow Island, Western Australia, Australia.
- The closest airport to Christiansted Harbor Seaplane Base (SSB) is Henry E. Rohlsen International Airport (STX), which is located only 7 miles (11 kilometers) WSW of SSB.
- Christiansted Harbor Seaplane Base (SSB) currently has only 1 runway.
- Because of Christiansted Harbor Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Christiansted Harbor Seaplane Base 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 "Christiansted Harbor Seaplane Base", other names for SSB include "St. Croix Seaplane Base", "none" and "VI32".