Nonstop flight route between Twin Hills, Alaska, United States and Cahokia, Illinois (near St. Louis), United States:

About this route:

A direct, nonstop flight between Twin Hills Airport (TWA), Twin Hills, Alaska, United States and St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States would travel a Great Circle distance of 3,304 miles (or 5,317 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 Twin Hills Airport and St. Louis Downtown 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 Twin Hills Airport and St. Louis Downtown 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 Twin Hills Airport (TWA):

• As per Federal Aviation Administration records, this airport had 395 commercial passenger boardings in calendar year 2008, a decrease of 23% from the 510 enplanements in 2007.
• Twin Hills Airport (TWA) currently has only 1 runway.
• The closest airport to Twin Hills Airport (TWA) is Togiak Airport (TOG), which is located only 5 miles (7 kilometers) WSW of TWA.
• The furthest airport from Twin Hills Airport (TWA) is Cape Town International Airport (CPT), which is located 10,701 miles (17,222 kilometers) away in Cape Town, South Africa.
• In addition to being known as "Twin Hills Airport", another name for TWA is "A63".
• Because of Twin Hills Airport's relatively low elevation of 82 feet, planes can take off or land at Twin Hills 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.

Facts about St. Louis Downtown Airport (CPS):

• The furthest airport from St. Louis Downtown Airport (CPS) is Margaret River Airport (MGV), which is located 10,998 miles (17,700 kilometers) away in Margaret River, Western Australia, Australia.
• The airport opened in 1929 as Curtiss-Steinberg Airport.
• Taken over by the United States Army Air Forces on 1 August 1939 as a basic pilot training airfield.
• St. Louis Downtown Airport (CPS) has 3 runways.
• The closest airport to St. Louis Downtown Airport (CPS) is Lambert–St. Louis International Airport (STL), which is located only 16 miles (27 kilometers) NW of CPS.
• Because of St. Louis Downtown Airport's relatively low elevation of 413 feet, planes can take off or land at St. Louis Downtown 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 two survivors out of the airport's original four hangars, Hangar 1 and Hangar 2, are listed on the National Register of Historic Places.