Nonstop flight route between Cahokia, Illinois (near St. Louis), United States and 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 (OSA), 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.
• 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 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.
• The airport closed in 1959 and reopened six years later as Bi-State Parks Airport.
• 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.

Facts about Osaka International Airport (OSA):

• Osaka International Airport (OSA) has 2 runways.
• Itami was renamed Osaka Airport following its return to Japanese control in March 1959.
• The furthest airport from Osaka International Airport (OSA) is Rio Grande Regional Airport (RIG), which is located 11,960 miles (19,248 kilometers) away in Rio Grande, Brazil.
• The closest airport to Osaka International Airport (OSA) is Osaka International Airport (ITM), which is located only 0 mile (0 kilometer) N of OSA.
• In its heyday Itami was served by a variety of major international carriers, including Pan Am, British Airways, Air India, Cathay Pacific and Korean Air.
• In addition to being known as "Osaka International Airport", other names for OSA include "Itami International Airport", "大阪国際空港", "Ōsaka Kokusai Kūkō", "ITM" and "RJOO".
• There were originally plans to close Itami Airport following the opening of Kansai, but nearby communities opposed such a move for economic reasons, so Itami was retained as a domestic-only airport after Kansai opened in 1994.
• By the mid-1970s, the airport was subject to extensive slot restrictions, with operations limited to 200 jets and 170 propeller aircraft per day, and no takeoffs or landings allowed after 9 PM.
• 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.
• 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.
• New Kansai International Airport Corporation, which owns both Itami Airport and Kansai Airport, plans to sell operating concessions for both airports during fiscal year 2014 in order to repay Kansai Airport's outstanding debt burden of 1.2 trillion yen.