Nonstop flight route between Leiden, Netherlands and Cahokia, Illinois (near St. Louis), United States:

About this route:

A direct, nonstop flight between Valkenburg Naval Air Base (LID), Leiden, Netherlands and St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States would travel a Great Circle distance of 4,352 miles (or 7,004 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 Valkenburg Naval Air Base 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 Valkenburg Naval Air Base 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 Valkenburg Naval Air Base (LID):

• In March of 2014 Valkenburg was used as the home base for both police and military helicopters providing security during the 2014 Nuclear Security Summit.
• The furthest airport from Valkenburg Naval Air Base (LID) is Chatham Islands (CHT), which is located 11,858 miles (19,084 kilometers) away in Waitangi, Chatham Islands, New Zealand.
• Valkenburg Naval Air Base (LID) has 2 runways.
• The closest airport to Valkenburg Naval Air Base (LID) is Rotterdam The Hague Airport (RTM), which is located only 15 miles (23 kilometers) S of LID.
• In addition to being known as "Valkenburg Naval Air Base", another name for LID is "Vliegkamp Valkenburg".
• Because of Valkenburg Naval Air Base's relatively low elevation of 0 feet, planes can take off or land at Valkenburg Naval Air Base 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):

• Historic Hangar #2 houses the Greater Saint Louis Air & Space Museum and the airport is still home to the nation's oldest flight school, Parks College of Engineering and Aviation's Center for Aerospace Sciences, which holds CAA Flight School Certificate #1.
• 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.
• St. Louis Downtown Airport (CPS) has 3 runways.
• 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.
• 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.