Nonstop flight route between Columbus, Ohio, United States and Alton, Illinois, United States:

About this route:

A direct, nonstop flight between Port Columbus International Airport (CMH), Columbus, Ohio, United States and St. Louis Regional Airport (ALN), Alton, Illinois, United States would travel a Great Circle distance of 389 miles (or 626 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 relatively short distance between Port Columbus International Airport and St. Louis Regional Airport, the route shown on this map most likely still appears to be a straight line.

Departure Airport Information:

Arrival Airport Information:

Facts about Port Columbus International Airport (CMH):

• The closest airport to Port Columbus International Airport (CMH) is Ohio State University Airport (OSU), which is located only 11 miles (18 kilometers) WNW of CMH.
• Because of Port Columbus International Airport's relatively low elevation of 815 feet, planes can take off or land at Port Columbus 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.
• On April 25, 2004, a new 195-foot control tower directed its first aircraft, ushering in the beginning of several major facility enhancements to be constructed through 2025.
• The airport opened July 8, 1929 on a site selected by Charles Lindbergh, as the eastern air terminus of the Transcontinental Air Transport air-rail New York to Los Angeles transcontinental route.
• Port Columbus International Airport, commonly shortened to Port Columbus, is a Class C international airport located 6 miles east of downtown Columbus, Ohio, USA.
• Envoy Air operates a maintenance base at Port Columbus, along with Republic Airways who operate their flagship base at Port Columbus.
• The probable cause was attributed to "A traffic control situation created by the tower local controller which he allowed to continue without taking the necessary corrective action.
• The airport has its own police and fire departments
• Port Columbus International Airport (CMH) has 2 runways.
• On October 21, 2010, a new arrivals/departures board was installed in the place of the old one in the main entrance area
• The furthest airport from Port Columbus International Airport (CMH) is Margaret River Airport (MGV), which is located 11,361 miles (18,284 kilometers) away in Margaret River, Western Australia, Australia.

Facts about St. Louis Regional Airport (ALN):

• The furthest airport from St. Louis Regional Airport (ALN) is Margaret River Airport (MGV), which is located 11,002 miles (17,706 kilometers) away in Margaret River, Western Australia, Australia.
• The closest airport to St. Louis Regional Airport (ALN) is Lambert–St. Louis International Airport (STL), which is located only 20 miles (32 kilometers) WSW of ALN.
• Civic Memorial Airport opened in 1946 and received its current name in 1984.
• St. Louis Regional Airport (ALN) has 2 runways.
• Because of St. Louis Regional Airport's relatively low elevation of 544 feet, planes can take off or land at St. Louis Regional 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.