Nonstop flight route between Cahokia, Illinois (near St. Louis), United States and Junction City, Kansas, United States:
Departure Airport:

Arrival Airport:

Distance from CPS to FRI:
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- About this route
- CPS Airport Information
- FRI Airport Information
- Facts about CPS
- Facts about FRI
- 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 FRI
- List of Nearest Airports to FRI
- Map of Furthest Airports from FRI
- List of Furthest Airports from FRI
About this route:
A direct, nonstop flight between St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States and Marshall Army AirfieldMarshall Air Force Base (FRI), Junction City, Kansas, United States would travel a Great Circle distance of 357 miles (or 575 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 St. Louis Downtown Airport and Marshall Army AirfieldMarshall Air Force Base, the route shown on this map most likely still appears to be a straight line.
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: | FRI / KFRI |
Airport Names: |
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Location: | Junction City, Kansas, United States |
GPS Coordinates: | 39°3'9"N by 96°45'51"W |
Operator/Owner: | United States Army |
View all routes: | Routes from FRI |
More Information: | FRI 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 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 airport opened in 1929 as Curtiss-Steinberg Airport.
- St. Louis Downtown Airport (CPS) has 3 runways.
- 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.
Facts about Marshall Army AirfieldMarshall Air Force Base (FRI):
- Besides photographic work, observation, and artillery adjustment, its pilots flew air-ground support demonstrations and simulated strafing, bombing and chemical warfare missions.
- The furthest airport from Marshall Army AirfieldMarshall Air Force Base (FRI) is Sir Gaëtan Duval Airport (RRG), which is located 10,654 miles (17,146 kilometers) away in Rodrigues Island, Mauritius.
- The closest airport to Marshall Army AirfieldMarshall Air Force Base (FRI) is Manhattan Regional Airport (MHK), which is located only 8 miles (13 kilometers) NE of FRI.
- Undoubtedly the most dramatic episode of the postwar period at Marshall AFB came early in 1949 when the base contributed its facilities, planes, and helicopters to "Operation Haylift" bringing relief to snowbound areas in several Western states.
- In 1921, Colonel Fred Herman selected the Smoky Hill Flats across the Kansas River as the location for a new airfield.
- Late in 1946 the Army Cavalry School and the Cavalry Intelligence School at Fort Riley were inactivated and the Ground General School was established there.
- In addition to being known as "Marshall Army AirfieldMarshall Air Force Base", another name for FRI is "Marshall AAF".