Nonstop flight route between Copenhagen (København), Denmark and Alton, Illinois, United States:

About this route:

A direct, nonstop flight between Copenhagen Airport, Kastrup (CPH), Copenhagen (København), Denmark and St. Louis Regional Airport (ALN), Alton, Illinois, United States would travel a Great Circle distance of 4,496 miles (or 7,236 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 Copenhagen Airport, Kastrup and St. Louis Regional 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 Copenhagen Airport, Kastrup and St. Louis Regional 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 Copenhagen Airport, Kastrup (CPH):

• Copenhagen Airport, Kastrup handled 24,067,030 passengers last year.
• Copenhagen Airport, Kastrup (CPH) has 3 runways.
• The airport is located on the island of Amager, just 8 kilometres south of Copenhagen city centre, and 24 kilometres west of Malmö city centre on the other side of the Øresund Bridge.
• Copenhagen Airport has four terminals.
• Because of Copenhagen Airport, Kastrup's relatively low elevation of 17 feet, planes can take off or land at Copenhagen Airport, Kastrup 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.
• In addition to being known as "Copenhagen Airport, Kastrup", another name for CPH is "Københavns Lufthavn, Kastrup".
• The closest airport to Copenhagen Airport, Kastrup (CPH) is Malmö Harbour Heliport (JMM), which is located only 13 miles (20 kilometers) E of CPH.
• Despite the short distance to the city centre, approaches to, and departures from, the airport do not disturb the inhabitants of the city, due to the heading of the dual parallel runway system.
• The furthest airport from Copenhagen Airport, Kastrup (CPH) is Chatham Islands (CHT), which is located 11,527 miles (18,550 kilometers) away in Waitangi, Chatham Islands, New Zealand.

Facts about St. Louis Regional Airport (ALN):

• 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.
• 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.
• Today a fair amount of air traffic and the Direct TV blimp comes for Cardinals playoffs, as Lambert's airport cannot take the blimp.
• 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.
• In the spring of 2004 the airport was at the center of a scandal.