Nonstop flight route between Cahokia, Illinois (near St. Louis), United States and Anchorage, Alaska, United States:
Departure Airport:

Arrival Airport:

Distance from CPS to EDF:
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- About this route
- CPS Airport Information
- EDF Airport Information
- Facts about CPS
- Facts about EDF
- Map of Nearest Airports to CPS
- List of Nearest Airports to CPS
- Map of Furthest Airports from CPS
- List of Furthest Airports from CPS
- Map of Nearest Airports to EDF
- List of Nearest Airports to EDF
- Map of Furthest Airports from EDF
- List of Furthest Airports from EDF
About this route:
A direct, nonstop flight between St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States and Elmendorf Air Force Base (EDF), Anchorage, Alaska, United States would travel a Great Circle distance of 2,940 miles (or 4,732 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 Elmendorf Air Force Base, 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 Elmendorf Air Force Base. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | CPS / KCPS |
Airport Name: | St. Louis Downtown Airport |
Location: | Cahokia, Illinois (near St. Louis), United States |
GPS Coordinates: | 38°34'14"N by 90°9'21"W |
Area Served: | Greater St. Louis |
Operator/Owner: | Bi-State Development Agency |
Airport Type: | Public |
Elevation: | 413 feet (126 meters) |
# of Runways: | 3 |
View all routes: | Routes from CPS |
More Information: | CPS Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | EDF / PAED |
Airport Names: |
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Location: | Anchorage, Alaska, United States |
GPS Coordinates: | 61°15'5"N by 149°48'23"W |
View all routes: | Routes from EDF |
More Information: | EDF Maps & Info |
Facts about St. Louis Downtown Airport (CPS):
- 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 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.
- 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.
Facts about Elmendorf Air Force Base (EDF):
- The uncertain world situation in late 1940s and early 1950s caused a major buildup of air defense forces in Alaska.
- The closest airport to Elmendorf Air Force Base (EDF) is Merrill Field (MRI), which is located only 3 miles (5 kilometers) SSW of EDF.
- Following World War II, Elmendorf assumed an increasing role in the defense of North America as the uncertain wartime relations between the United States and the Soviet Union deteriorated into the Cold War.
- Despite a diminished number of personnel and aircraft, a turning point in Elmendorf's history occurred in 1970 with the arrival of the 43d Tactical Fighter Squadron in June 1970 from MacDill AFB, Florida.
- In addition to being known as "Elmendorf Air Force Base", another name for EDF is "JB Elmendorf-Richardson".
- Elmendorf Air Force Base is a United States military facility in Anchorage, the largest city in Alaska.
- The 1980s witnessed a period of growth and modernization of Elmendorf AFB.
- The furthest airport from Elmendorf Air Force Base (EDF) is Port Elizabeth International Airport (PLZ), which is located 10,542 miles (16,965 kilometers) away in Port Elizabeth, South Africa.