Nonstop flight route between Greenville, South Carolina, United States and Cahokia, Illinois (near St. Louis), United States:
Departure Airport:

Arrival Airport:

Distance from GMU to CPS:
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- About this route
- GMU Airport Information
- CPS Airport Information
- Facts about GMU
- Facts about CPS
- Map of Nearest Airports to GMU
- List of Nearest Airports to GMU
- Map of Furthest Airports from GMU
- List of Furthest Airports from GMU
- 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 Greenville Downtown Airport (GMU), Greenville, South Carolina, United States and St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States would travel a Great Circle distance of 503 miles (or 809 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 Greenville Downtown Airport 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: | GMU / KGMU |
Airport Names: |
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Location: | Greenville, South Carolina, United States |
GPS Coordinates: | 34°50'53"N by 82°20'59"W |
Area Served: | Greenville, South Carolina |
Operator/Owner: | Greenville Airport Commission |
Airport Type: | Public |
Elevation: | 1048 feet (319 meters) |
# of Runways: | 2 |
View all routes: | Routes from GMU |
More Information: | GMU 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 Greenville Downtown Airport (GMU):
- Greenville Downtown Airport covers an area of 385 acres at an elevation of 1,048 feet above mean sea level.
- In addition to being known as "Greenville Downtown Airport", another name for GMU is "(Greenville Municipal Airport)".
- The closest airport to Greenville Downtown Airport (GMU) is Donaldson Center Airport (GDC), which is located only 6 miles (10 kilometers) SSW of GMU.
- This airport is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility.
- The FAA Southern Region recently selected GMU to receive its General Aviation Airport Safety Award.
- The furthest airport from Greenville Downtown Airport (GMU) is Margaret River Airport (MGV), which is located 11,441 miles (18,413 kilometers) away in Margaret River, Western Australia, Australia.
- The FAA Southern Region selected Joe Frasher, Airport Director of GMU, as the 2008 General Aviation Airport Manager of the Year.
- Greenville Downtown Airport (GMU) has 2 runways.
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.
- St. Louis Downtown Airport (CPS) has 3 runways.
- 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 airport opened in 1929 as Curtiss-Steinberg 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.
- The airport closed in 1959 and reopened six years later as Bi-State Parks Airport.