Nonstop flight route between Cahokia, Illinois (near St. Louis), United States and Boigu Island, Queensland, Australia:
Departure Airport:

Arrival Airport:

Distance from CPS to GIC:
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- About this route
- CPS Airport Information
- GIC Airport Information
- Facts about CPS
- Facts about GIC
- 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 GIC
- List of Nearest Airports to GIC
- Map of Furthest Airports from GIC
- List of Furthest Airports from GIC
About this route:
A direct, nonstop flight between St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States and Boigu Island Airport (GIC), Boigu Island, Queensland, Australia would travel a Great Circle distance of 8,625 miles (or 13,881 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 St. Louis Downtown Airport and Boigu Island 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 St. Louis Downtown Airport and Boigu Island Airport. You'll see that it will travel the same route of the red line on this map!
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: | GIC / YBOI |
Airport Name: | Boigu Island Airport |
Location: | Boigu Island, Queensland, Australia |
GPS Coordinates: | 9°13'58"S by 142°13'1"E |
Area Served: | Boigu Island, Queensland, Australia |
Operator/Owner: | Torres Strait Islands Regional Council |
Airport Type: | Public |
Elevation: | 10 feet (3 meters) |
# of Runways: | 1 |
View all routes: | Routes from GIC |
More Information: | GIC Maps & Info |
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 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 two survivors out of the airport's original four hangars, Hangar 1 and Hangar 2, are listed on the National Register of Historic Places.
- St. Louis Downtown Airport (CPS) has 3 runways.
- 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 Boigu Island Airport (GIC):
- Boigu Island Airport (GIC) currently has only 1 runway.
- The furthest airport from Boigu Island Airport (GIC) is Parnaíba–Prefeito Dr. João Silva Filho International Airport (PHB), which is located 11,556 miles (18,598 kilometers) away in Parnaiba, Piaui, Brazil.
- Because of Boigu Island Airport's relatively low elevation of 10 feet, planes can take off or land at Boigu Island 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 Boigu Island Airport (GIC) is Yam Island Airport (XMY), which is located 59 miles (95 kilometers) SE of GIC.