Nonstop flight route between Fort Rucker/Ozark, Alabama, United States and Cahokia, Illinois (near St. Louis), United States:
Departure Airport:

Arrival Airport:

Distance from OZR to CPS:
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- About this route
- OZR Airport Information
- CPS Airport Information
- Facts about OZR
- Facts about CPS
- Map of Nearest Airports to OZR
- List of Nearest Airports to OZR
- Map of Furthest Airports from OZR
- List of Furthest Airports from OZR
- Map of Nearest Airports to CPS
- List of Nearest Airports to CPS
- Map of Furthest Airports from CPS
- List of Furthest Airports from CPS
About this route:
A direct, nonstop flight between Cairns Army Airfield (AAF) (OZR), Fort Rucker/Ozark, Alabama, United States and St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States would travel a Great Circle distance of 563 miles (or 906 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 Cairns Army Airfield (AAF) and St. Louis Downtown Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | OZR / KOZR |
Airport Names: |
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Location: | Fort Rucker/Ozark, Alabama, United States |
GPS Coordinates: | 31°16'32"N by 85°42'47"W |
Operator/Owner: | U.S. Army |
Airport Type: | Military |
Elevation: | 301 feet (92 meters) |
# of Runways: | 2 |
View all routes: | Routes from OZR |
More Information: | OZR Maps & Info |
Arrival 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 |
Facts about Cairns Army Airfield (AAF) (OZR):
- Cairns is the busiest airfield in the Army, training large numbers of Army aviators both day and night with an average annual traffic count of approximately 240,000 movements.
- The furthest airport from Cairns Army Airfield (AAF) (OZR) is Margaret River Airport (MGV), which is located 11,214 miles (18,047 kilometers) away in Margaret River, Western Australia, Australia.
- In addition to being known as "Cairns Army Airfield (AAF)", other names for OZR include "Cairns Army Airfield" and "Fort Rucker".
- Because of Cairns Army Airfield (AAF)'s relatively low elevation of 301 feet, planes can take off or land at Cairns Army Airfield (AAF) 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.
- Cairns Army Airfield (AAF) (OZR) has 2 runways.
- The closest airport to Cairns Army Airfield (AAF) (OZR) is Lowe Army Heliport (AHP) (LOR), which is located only 6 miles (10 kilometers) NNW of OZR.
Facts about St. Louis Downtown Airport (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.
- 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 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.