Nonstop flight route between Ailuk, Marshall Islands and Cahokia, Illinois (near St. Louis), United States:
Departure Airport:

Arrival Airport:

Distance from AIM to CPS:
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- About this route
- AIM Airport Information
- CPS Airport Information
- Facts about AIM
- Facts about CPS
- Map of Nearest Airports to AIM
- List of Nearest Airports to AIM
- Map of Furthest Airports from AIM
- List of Furthest Airports from AIM
- 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 Ailuk Airport (AIM), Ailuk, Marshall Islands and St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States would travel a Great Circle distance of 6,302 miles (or 10,142 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 large distance between Ailuk Airport and St. Louis Downtown Airport, the route shown on this map most likely appears curved because of this reason.
Try it at home! Get a globe and tightly lay a string between Ailuk Airport and St. Louis Downtown Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | AIM / |
Airport Name: | Ailuk Airport |
Location: | Ailuk, Marshall Islands |
GPS Coordinates: | 10°13'0"N by 169°58'59"E |
Area Served: | Ailuk, Ailuk Atoll, Marshall Islands |
View all routes: | Routes from AIM |
More Information: | AIM 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 Ailuk Airport (AIM):
- The furthest airport from Ailuk Airport (AIM) is RAF Ascension (ASI), which is nearly antipodal to Ailuk Airport (meaning Ailuk Airport is almost on the exact opposite side of the Earth from RAF Ascension), and is located 12,100 miles (19,473 kilometers) away in Georgetown, Ascension Island, Saint Helena.
- The closest airport to Ailuk Airport (AIM) is Likiep Airport (LIK), which is located 53 miles (86 kilometers) WSW of AIM.
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.
- The airport closed in 1959 and reopened six years later as Bi-State Parks Airport.
- St. Louis Downtown Airport (CPS) has 3 runways.
- 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.