Nonstop flight route between Seletar, Singapore and Fort Sill, Oklahoma, United States:

About this route:

A direct, nonstop flight between Seletar Airport (XSP), Seletar, Singapore and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 9,558 miles (or 15,382 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 Seletar Airport and Henry Post 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 Seletar Airport and Henry Post 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 Seletar Airport (XSP):

• Because of Seletar Airport's relatively low elevation of 36 feet, planes can take off or land at Seletar 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.
• Seletar Airport (XSP) currently has only 1 runway.
• The furthest airport from Seletar Airport (XSP) is Francisco de Orellana Airport (OCC), which is nearly antipodal to Seletar Airport (meaning Seletar Airport is almost on the exact opposite side of the Earth from Francisco de Orellana Airport), and is located 12,348 miles (19,873 kilometers) away in Coca, Ecuador.
• December 1945, captured Mitsubishi J2M Raiden fighters belonging to the 381st Kōkūtai of Imperial Japanese Navy Air Service being evaluated at Seletar airfield.
• The closest airport to Seletar Airport (XSP) is Paya Lebar Air Base (PLAB) (QPG), which is located only 5 miles (8 kilometers) SE of XSP.
• The formative years of the SADC was established at Seletar Airbase in September 1968, with the setting up of the Flying Training School utilising three Cessna 172G/H on loan from the Singapore Flying Club.
• With the threat of war in the area, the RAF started building up their forces in the Far East in the late 1930s and early 1940s.
• RAF Seletar was a Royal Air Force station in Singapore between 1928 and 1971.
• Previously Berjaya Air operated scheduled flights to Tioman and Redang.
• In addition to being known as "Seletar Airport", other names for XSP include "实里达机场" and "செலட்டர் வான்முகம்".

Facts about Henry Post Army Airfield (FSI):

• The closest airport to Henry Post Army Airfield (FSI) is Lawton–Fort Sill Regional Airport (LAW), which is located only 6 miles (9 kilometers) S of FSI.
• The furthest airport from Henry Post Army Airfield (FSI) is Sir Gaëtan Duval Airport (RRG), which is located 10,920 miles (17,575 kilometers) away in Rodrigues Island, Mauritius.
• Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
• By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.
• The field was named in honor of pioneer aviator 2d Lieutenant Henry Post.
• Henry Post Army Airfield (FSI) currently has only 1 runway.