Nonstop flight route between Ann Arbor, Michigan, United States and Cahokia, Illinois (near St. Louis), United States:
Departure Airport:

Arrival Airport:

Distance from ARB to CPS:
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- About this route
- ARB Airport Information
- CPS Airport Information
- Facts about ARB
- Facts about CPS
- Map of Nearest Airports to ARB
- List of Nearest Airports to ARB
- Map of Furthest Airports from ARB
- List of Furthest Airports from ARB
- 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 Ann Arbor Municipal Airport (ARB), Ann Arbor, Michigan, United States and St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States would travel a Great Circle distance of 421 miles (or 678 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 Ann Arbor Municipal 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: | ARB / KARB |
Airport Name: | Ann Arbor Municipal Airport |
Location: | Ann Arbor, Michigan, United States |
GPS Coordinates: | 42°13'23"N by 83°44'44"W |
Area Served: | Washtenaw County, Michigan |
Operator/Owner: | City of Ann Arbor |
Airport Type: | Public |
Elevation: | 839 feet (256 meters) |
# of Runways: | 2 |
View all routes: | Routes from ARB |
More Information: | ARB 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 Ann Arbor Municipal Airport (ARB):
- Ann Arbor Municipal Airport (ARB) has 2 runways.
- Because of Ann Arbor Municipal Airport's relatively low elevation of 839 feet, planes can take off or land at Ann Arbor Municipal 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 closest airport to Ann Arbor Municipal Airport (ARB) is Willow Run Airport (YIP) (YIP), which is located only 11 miles (18 kilometers) E of ARB.
- The airport has an operating control tower which is operated by the FAA.
- The furthest airport from Ann Arbor Municipal Airport (ARB) is Margaret River Airport (MGV), which is located 11,266 miles (18,131 kilometers) away in Margaret River, Western Australia, Australia.
- Built in 1928, Ann Arbor Municipal Airport is a class B-II airport.
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.
- St. Louis Downtown Airport (CPS) has 3 runways.
- 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 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.