Nonstop flight route between Cahokia, Illinois (near St. Louis), United States and Itami (near Osaka), Japan:

About this route:

A direct, nonstop flight between St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States and Osaka International Airport (ITM), Itami (near Osaka), Japan would travel a Great Circle distance of 6,590 miles (or 10,605 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 St. Louis Downtown Airport and Osaka 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 St. Louis Downtown Airport and Osaka 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 St. Louis Downtown Airport (CPS):

• St. Louis Downtown Airport (CPS) has 3 runways.
• Taken over by the United States Army Air Forces on 1 August 1939 as a basic pilot training airfield.
• The airport opened in 1929 as Curtiss-Steinberg Airport.
• 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.
• 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 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.

Facts about Osaka International Airport (ITM):

• Because of Osaka International Airport's relatively low elevation of 39 feet, planes can take off or land at Osaka 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.
• Osaka International Airport (ITM) has 2 runways.
• The closest airport to Osaka International Airport (ITM) is Osaka International Airport (OSA), which is located only 0 mile (0 kilometer) N of ITM.
• In May 2011, the Diet of Japan passed legislation to form a new Kansai International Airport Corporation using the state's existing equity stake in Kansai Airport and its property holdings at Itami Airport.
• Both Hyogo Prefecture and Itami City are supporters of expanded service at Itami, and established a formal coordination body in July 2013 to propose further reforms such as allowing international charter flights, and to engage in local efforts such as improving ground transportation and publicizing the airport's convenience.
• The furthest airport from Osaka International Airport (ITM) is Rio Grande Regional Airport (RIG), which is located 11,960 miles (19,248 kilometers) away in Rio Grande, Brazil.
• In May 1968, a group of local citizens decided to sue the government for damages related to noise pollution from Itami Airport.
• During 2010, this airport had 62,293 aircraft movements.
• In addition to being known as "Osaka International Airport", other names for ITM include "Itami International Airport", "大阪国際空港" and "Ōsaka Kokusai Kūkō".