Nonstop flight route between Smithton, Tasmania, Australia and Fort Sill, Oklahoma, United States:

About this route:

A direct, nonstop flight between Smithton Airport (SIO), Smithton, Tasmania, Australia and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 9,018 miles (or 14,512 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 Smithton 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 Smithton 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 Smithton Airport (SIO):

• Smithton Airport (SIO) has 2 runways.
• Because of Smithton Airport's relatively low elevation of 31 feet, planes can take off or land at Smithton 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 furthest airport from Smithton Airport (SIO) is Corvo Airport (CVU), which is nearly antipodal to Smithton Airport (meaning Smithton Airport is almost on the exact opposite side of the Earth from Corvo Airport), and is located 12,221 miles (19,667 kilometers) away in Corvo Island, Azores, Portugal.
• The closest airport to Smithton Airport (SIO) is Burnie Airport (BWT), which is located 36 miles (57 kilometers) ESE of SIO.

Facts about Henry Post Army Airfield (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.
• With the sudden end of World War I in November 1918, the future operational status of Post Field was unknown.
• Henry Post Army Airfield (FSI) currently has only 1 runway.
• 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.
• There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.
• The first Army aviation at Fort Sill began on 26 July 1915 when eight Curtiss JN-3 airplanes of the 1st Aero Squadron arrived from Rockwell Field, California.