Nonstop flight route between High Wycombe, Buckinghamshire, England, United Kingdom and SeaTac (near Seattle and Tacoma), Washington, United States:
Departure Airport:

Arrival Airport:

Distance from HYC to SEA:
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- About this route
- HYC Airport Information
- SEA Airport Information
- Facts about HYC
- Facts about SEA
- Map of Nearest Airports to HYC
- List of Nearest Airports to HYC
- Map of Furthest Airports from HYC
- List of Furthest Airports from HYC
- Map of Nearest Airports to SEA
- List of Nearest Airports to SEA
- Map of Furthest Airports from SEA
- List of Furthest Airports from SEA
About this route:
A direct, nonstop flight between RAF High Wycombe (HYC), High Wycombe, Buckinghamshire, England, United Kingdom and Seattle–Tacoma International Airport (SEA), SeaTac (near Seattle and Tacoma), Washington, United States would travel a Great Circle distance of 4,765 miles (or 7,669 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 RAF High Wycombe and Seattle–Tacoma 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 RAF High Wycombe and Seattle–Tacoma 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: | HYC / EGUH |
Airport Name: | RAF High Wycombe |
Location: | High Wycombe, Buckinghamshire, England, United Kingdom |
GPS Coordinates: | 51°40'53"N by 0°48'6"W |
Operator/Owner: | Ministry of Defence |
View all routes: | Routes from HYC |
More Information: | HYC Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | SEA / KSEA |
Airport Names: |
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Location: | SeaTac (near Seattle and Tacoma), Washington, United States |
GPS Coordinates: | 47°26'56"N by 122°18'33"W |
Area Served: | Seattle; Tacoma, Washington, US |
Airport Type: | Public |
Elevation: | 433 feet (132 meters) |
# of Runways: | 3 |
View all routes: | Routes from SEA |
More Information: | SEA Maps & Info |
Facts about RAF High Wycombe (HYC):
- In 1958, Headquarters, 7th Air Division of the Strategic Air Command, supporting SAC operations in UK relocated to High Wycombe from RAF South Ruislip, and commanded all SAC operations until 1965.
- The closest airport to RAF High Wycombe (HYC) is RAF Benson (BEX), which is located only 13 miles (22 kilometers) WSW of HYC.
- Buildings were designed to resemble other uses, such as the Officers' Mess which was built to look like a manor house.
- The site is a non-flying station and was home to RAF Strike Command before it became part of the newly formed RAF Air Command on 1 April 2007.
- The furthest airport from RAF High Wycombe (HYC) is Dunedin International Airport (DUD), which is located 11,867 miles (19,098 kilometers) away in Dunedin, Otago, New Zealand.
- An Armed Forces Community Covenant between the station and Wycombe District Council was signed on 16 April 2012, designed to strengthen the links between the military and the local community.
Facts about Seattle–Tacoma International Airport (SEA):
- Seattle–Tacoma International Airport (SEA) has 3 runways.
- A new control tower was built beginning in 2001 and opened November 2004, at a cost of $26 million.
- Seattle–Tacoma International Airport handled 34,776,666 passengers last year.
- The April 1957 OAG shows 216 departures a week on United, 80 Northwest, 35 Western, 21 Trans-Canada, 20 Pan Am, 20 Pacific Northern, and 10 Alaska.
- Because of Seattle–Tacoma International Airport's relatively low elevation of 433 feet, planes can take off or land at Seattle–Tacoma 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 closest airport to Seattle–Tacoma International Airport (SEA) is Renton Municipal Airport (RNT), which is located only 5 miles (9 kilometers) NE of SEA.
- Seattle's Central Link light-rail line serves the airport at the SeaTac/Airport Station, which opened on December 19, 2009.
- The furthest airport from Seattle–Tacoma International Airport (SEA) is Tôlanaro Airport (FTU), which is located 10,781 miles (17,350 kilometers) away in Tôlanaro, Madagascar.
- In addition to being known as "Seattle–Tacoma International Airport", another name for SEA is "Sea–Tac Airport".
- The airport was constructed by the Port of Seattle in 1944 to serve civilians of the region, after the U.S.