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

Arrival Airport:

Distance from CPS to RST:
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- About this route
- CPS Airport Information
- RST Airport Information
- Facts about CPS
- Facts about RST
- 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 RST
- List of Nearest Airports to RST
- Map of Furthest Airports from RST
- List of Furthest Airports from RST
About this route:
A direct, nonstop flight between St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States and Rochester International Airport (RST), Rochester, Minnesota, United States would travel a Great Circle distance of 388 miles (or 625 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 Rochester International 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: | RST / KRST |
Airport Name: | Rochester International Airport |
Location: | Rochester, Minnesota, United States |
GPS Coordinates: | 43°54'29"N by 92°30'0"W |
Operator/Owner: | City of Rochester |
Airport Type: | Public |
Elevation: | 1317 feet (401 meters) |
# of Runways: | 2 |
View all routes: | Routes from RST |
More Information: | RST 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.
- St. Louis Downtown Airport (CPS) has 3 runways.
- The airport closed in 1959 and reopened six years later as Bi-State Parks Airport.
- 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.
Facts about Rochester International Airport (RST):
- In 1960 it was decided to replace Lobb Field with a new airport southwest of the town because it could not be expanded to accommodate the larger airliners & was too close to the urban area of Rochester.
- On June 17, 2010, a small aircraft crashed a half-mile north of the runway, killing all three passengers.
- The closest airport to Rochester International Airport (RST) is Austin Municipal Airport (AUM), which is located 27 miles (44 kilometers) SW of RST.
- Rochester International Airport (RST) has 2 runways.
- In August 2012, just days after Allegiant Air announced flights between Rochester and Phoenix, the United States Department of Transportation gave the airport $500,000 and the city of Rochester gave the airport $250,000 to help recruit more airlines and non-stop destinations.
- The furthest airport from Rochester International Airport (RST) is Margaret River Airport (MGV), which is located 10,811 miles (17,399 kilometers) away in Margaret River, Western Australia, Australia.
- Airport directors from the airport are attempting to get more air service into Rochester.