Nonstop flight route between Cahokia, Illinois (near St. Louis), United States and Grande Prairie, Alberta, Canada:
Departure Airport:

Arrival Airport:

Distance from CPS to YQU:
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- About this route
- CPS Airport Information
- YQU Airport Information
- Facts about CPS
- Facts about YQU
- 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 YQU
- List of Nearest Airports to YQU
- Map of Furthest Airports from YQU
- List of Furthest Airports from YQU
About this route:
A direct, nonstop flight between St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States and Grande Prairie Airport (YQU), Grande Prairie, Alberta, Canada would travel a Great Circle distance of 1,755 miles (or 2,825 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 Grande Prairie Airport, 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: | YQU / CYQU |
Airport Name: | Grande Prairie Airport |
Location: | Grande Prairie, Alberta, Canada |
GPS Coordinates: | 55°10'47"N by 118°53'4"W |
Operator/Owner: | Grande Prairie Airport Commission |
Airport Type: | Public |
Elevation: | 2195 feet (669 meters) |
# of Runways: | 2 |
View all routes: | Routes from YQU |
More Information: | YQU Maps & Info |
Facts about St. Louis Downtown Airport (CPS):
- The two survivors out of the airport's original four hangars, Hangar 1 and Hangar 2, are listed on the National Register of Historic Places.
- 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 airport opened in 1929 as Curtiss-Steinberg Airport.
- St. Louis Downtown Airport (CPS) has 3 runways.
- 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.
Facts about Grande Prairie Airport (YQU):
- The closest airport to Grande Prairie Airport (YQU) is Dawson Creek Airport (YDQ), which is located 64 miles (103 kilometers) NW of YQU.
- Grande Prairie Airport (YQU) has 2 runways.
- The furthest airport from Grande Prairie Airport (YQU) is Tôlanaro Airport (FTU), which is located 10,233 miles (16,469 kilometers) away in Tôlanaro, Madagascar.