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):
- 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.
- 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.
- 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.
- The airport closed in 1959 and reopened six years later as Bi-State Parks Airport.
Facts about Marshall Army AirfieldMarshall Air Force Base (FRI):
- In addition to being known as "Marshall Army AirfieldMarshall Air Force Base", another name for FRI is "Marshall AAF".
- Several units besides the 2d Composite Squadron spent some time at Marshall during the war.
- After the departure of the 1st Observation Squadron from Fort Riley, the 6th Observation Squadron was activated at Fort Sill, Oklahoma, on 7 February 1942 to take its place at the Cavalry School.
- In 1921, Colonel Fred Herman selected the Smoky Hill Flats across the Kansas River as the location for a new airfield.
- Marshall Army Airfield is a military airfield located on Fort Riley, Kansas.
- By March 1955, the 71st Helicopter Transportation Battalion was training pilots in the operation of twin rotor helicopters, first the Piasecki H-25A, then the larger Piasecki H-21C.
- 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.
- With the establishment of the United States Air Force in September 1947, the name of Marchall was changed to Marshall Air Force Base.
- 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.