Nonstop flight route between Sembach, Germany and Seattle, Washington, United States:
Departure Airport:

Arrival Airport:

Distance from SEX to BFI:
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- About this route
- SEX Airport Information
- BFI Airport Information
- Facts about SEX
- Facts about BFI
- Map of Nearest Airports to SEX
- List of Nearest Airports to SEX
- Map of Furthest Airports from SEX
- List of Furthest Airports from SEX
- Map of Nearest Airports to BFI
- List of Nearest Airports to BFI
- Map of Furthest Airports from BFI
- List of Furthest Airports from BFI
About this route:
A direct, nonstop flight between Sembach KaserneSembach Air Base (SEX), Sembach, Germany and King County International Airport (BFI), Seattle, Washington, United States would travel a Great Circle distance of 5,101 miles (or 8,210 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 Sembach KaserneSembach Air Base and King County International 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 Sembach KaserneSembach Air Base and King County International Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | SEX / ETAS |
Airport Name: | Sembach KaserneSembach Air Base |
Location: | Sembach, Germany |
GPS Coordinates: | 49°31'41"N by 7°51'56"E |
Operator/Owner: | United States with authority from Germany |
View all routes: | Routes from SEX |
More Information: | SEX Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | BFI / KBFI |
Airport Names: |
|
Location: | Seattle, Washington, United States |
GPS Coordinates: | 47°31'48"N by 122°18'6"W |
Area Served: | Seattle, Washington |
Airport Type: | Public |
Elevation: | 21 feet (6 meters) |
# of Runways: | 2 |
View all routes: | Routes from BFI |
More Information: | BFI Maps & Info |
Facts about Sembach KaserneSembach Air Base (SEX):
- During the Cold War, Sembach Air Base housed a variety of USAF Tactical Reconnaissance, Close Air Support and Tactical Air Control units as a front line NATO air base.
- In January 1958, it was announced that the 66th TRW would transition to the RF-101 Voodoo.
- Despite these efforts, the land was successfully surveyed in August 1952.
- Sembach's origins date back to 1919 after World War I when French occupation troops used the eastern half of the present flightline as an airfield.
- The furthest airport from Sembach KaserneSembach Air Base (SEX) is Chatham Islands (CHT), which is located 11,992 miles (19,299 kilometers) away in Waitangi, Chatham Islands, New Zealand.
- The closest airport to Sembach KaserneSembach Air Base (SEX) is Ramstein Air Base (RMS), which is located only 13 miles (21 kilometers) WSW of SEX.
Facts about King County International Airport (BFI):
- The furthest airport from King County International Airport (BFI) is Tôlanaro Airport (FTU), which is located 10,775 miles (17,341 kilometers) away in Tôlanaro, Madagascar.
- The airport's property is mostly in Seattle just south of Georgetown, with its southern tip extending into Tukwila.
- Boeing Field as seen from the Air Traffic Control Tower
- King County International Airport (BFI) has 2 runways.
- Boeing Field, officially King County International Airport, is a public airport owned and operated by King County, five miles south of downtown Seattle, Washington.
- The closest airport to King County International Airport (BFI) is Renton Municipal Airport (RNT), which is located only 5 miles (8 kilometers) ESE of BFI.
- In addition to being known as "King County International Airport", another name for BFI is "Boeing Field".
- Because of King County International Airport's relatively low elevation of 21 feet, planes can take off or land at King County 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.