Nonstop flight route between Changi, Singapore and Seattle, Washington, United States:

About this route:

A direct, nonstop flight between Singapore Changi Airport (SIN), Changi, Singapore and King County International Airport (BFI), Seattle, Washington, United States would travel a Great Circle distance of 8,061 miles (or 12,974 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 Singapore Changi Airport 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 Singapore Changi Airport 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:

Arrival Airport Information:

Facts about Singapore Changi Airport (SIN):

• In addition to being known as "Singapore Changi Airport", other names for SIN include "Lapangan Terbang Antarabangsa Changi Singapura", "新加坡樟宜机场(Xīnjiāpō Zhāngyí Jīchǎng)" and "சிங்கப்பூர் சாங்கி விமானநிலையம் (Ciṅkappūr Cāṅki Vimana Nilaiyam)".
• The furthest airport from Singapore Changi Airport (SIN) is Francisco de Orellana Airport (OCC), which is nearly antipodal to Singapore Changi Airport (meaning Singapore Changi Airport is almost on the exact opposite side of the Earth from Francisco de Orellana Airport), and is located 12,345 miles (19,868 kilometers) away in Coca, Ecuador.
• Singapore Changi Airport (SIN) has 3 runways.
• Because of Singapore Changi Airport's relatively low elevation of 22 feet, planes can take off or land at Singapore Changi 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.
• Changing needs in the aviation industry led to reviews in the master plan, resulting in the decision to cater to the high-end as well as budget sectors of the air travel industry.
• A new parallel runway 02R/20L was built 1.8 km to the east of 02C/20C, currently used only by Republic of Singapore Air Force aircraft as part of Changi Airbase.
• Recently Changi Airport has also announced plans to reduce consumption of electricity and use recycled water at its terminal buildings over the next three years, as part of its contribution towards environmental sustainability.
• The closest airport to Singapore Changi Airport (SIN) is Paya Lebar Air Base (PLAB) (QPG), which is located only 6 miles (9 kilometers) W of SIN.
• Singapore's International Airport at Paya Lebar, Singapore's third main civilian airport after Seletar Airport and Kallang Airport opened in 1955 with a single runway and a small passenger terminal.

Facts about King County International Airport (BFI):

• The August 1946 OAG shows 24 United Airlines weekday departures, 10 Northwest and two or three Pan Am DC-3s to Juneau via Annette Island.
• The Boeing Company has facilities at the airport.
• 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.
• 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.
• 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 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.
• King County International Airport (BFI) has 2 runways.
• At one point Aeroamerica scheduled a Boeing 720 to Spokane.
• In addition to being known as "King County International Airport", another name for BFI is "Boeing Field".