Nonstop flight route between Aspen, Colorado, United States and Cahokia, Illinois (near St. Louis), United States:
Departure Airport:

Arrival Airport:

Distance from ASE to CPS:
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- About this route
- ASE Airport Information
- CPS Airport Information
- Facts about ASE
- Facts about CPS
- Map of Nearest Airports to ASE
- List of Nearest Airports to ASE
- Map of Furthest Airports from ASE
- List of Furthest Airports from ASE
- 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 Aspen–Pitkin County Airport (ASE), Aspen, Colorado, United States and St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States would travel a Great Circle distance of 899 miles (or 1,446 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 Aspen–Pitkin County 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: | ASE / KASE |
Airport Names: |
|
Location: | Aspen, Colorado, United States |
GPS Coordinates: | 39°13'23"N by 106°52'8"W |
Area Served: | Aspen, Colorado |
Operator/Owner: | Pitkin County |
Airport Type: | Public |
Elevation: | 7820 feet (2,384 meters) |
# of Runways: | 1 |
View all routes: | Routes from ASE |
More Information: | ASE 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 Aspen–Pitkin County Airport (ASE):
- Because of Aspen–Pitkin County Airport's high elevation of 7,820 feet, planes must typically fly at a faster airspeed in order to takeoff or land at ASE. Combined with a high temperature, this could make ASE a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- Before initiating jet service, Aspen operated Convair 580 turboprops as well as other prop and turboprop aircraft.
- The furthest airport from Aspen–Pitkin County Airport (ASE) is Sir Gaëtan Duval Airport (RRG), which is located 10,971 miles (17,657 kilometers) away in Rodrigues Island, Mauritius.
- In addition to being known as "Aspen–Pitkin County Airport", another name for ASE is "Sardy Field".
- The closest airport to Aspen–Pitkin County Airport (ASE) is Eagle County Regional Airport (EGE), which is located 29 miles (47 kilometers) N of ASE.
- Per Title X of the Pitkin County Code, the airport has several unique operating limitations.
- The Aspen–Pitkin County airport terminal is a 44,000 square feet single floor facility, which has undergone several renovations since its original construction in 1976.
- Aspen–Pitkin County Airport (ASE) currently has only 1 runway.
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 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.
- St. Louis Downtown Airport (CPS) has 3 runways.
- The airport closed in 1959 and reopened six years later as Bi-State Parks Airport.