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

About this route:

A direct, nonstop flight between Singapore Changi Airport (SIN), Changi, Singapore and Gray Army Airfield (GRF), Tacoma, Washington, United States would travel a Great Circle distance of 8,069 miles (or 12,986 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 Gray Army Airfield, 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 Gray Army Airfield. 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)".
• Resurfacing works costing S$50m on its dual runways and older taxiways were announced in January 2007 along with improvements to the security systems of Changi Airport such as access controls and surveillance systems to make the airport safer for travellers.
• Minister of State for Transport Josephine Teo, who leads a 10-member Multi-agency committee that has been working on the blueprint which includes the construction of Terminal 5 – the airport's biggest passenger facility – a third runway for commercial flights, cargo complexes and other supporting infrastructure for around 18 months.
• Singapore Changi Airport (SIN) has 3 runways.
• 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.
• There will also be a fourth runway at Changi East which was announced during the National Day Rally Speech in 2013.
• 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.
• 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.
• The airport was one of the largest single development projects in Singapore's history.
• Concerned that the existing airport was located in an area with potential for urban growth, which would physically hem it in on all sides, the government subsequently decided in 1975 to build a new airport at the eastern tip of the main island at Changi, at the existing site of Changi Air Base, where the new airport would be easily expandable through land reclamation.

Facts about Gray Army Airfield (GRF):

• During the Vietnam War, GAAF not only trained helicopter units, but fixed-wing aircraft units as well.
• The closest airport to Gray Army Airfield (GRF) is McChord Field/McChord AFB (TCM), which is located only 6 miles (10 kilometers) NE of GRF.
• Because of Gray Army Airfield's relatively low elevation of 300 feet, planes can take off or land at Gray Army Airfield 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.
• It should not confused with Robert Gray Army Airfield at Fort Hood in Texas.
• In addition to being known as "Gray Army Airfield", another name for GRF is "(Joint Base Lewis-McChord)".
• The Army Air Force closed its facilities in 1947.
• Another innovative aircraft came to GAAF in the fall of 2000.
• The furthest airport from Gray Army Airfield (GRF) is Tôlanaro Airport (FTU), which is located 10,809 miles (17,395 kilometers) away in Tôlanaro, Madagascar.
• Gray Army Airfield (GRF) currently has only 1 runway.
• The Fort Lewis airfield housed observation planes.