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

Arrival Airport:

Distance from GUS to CPS:
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- About this route
- GUS Airport Information
- CPS Airport Information
- Facts about GUS
- Facts about CPS
- Map of Nearest Airports to GUS
- List of Nearest Airports to GUS
- Map of Furthest Airports from GUS
- List of Furthest Airports from GUS
- 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 Grissom Air Reserve Base (GUS), Peru, Indiana, United States and St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States would travel a Great Circle distance of 257 miles (or 413 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 Grissom Air Reserve Base 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: | GUS / KGUS |
Airport Names: |
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Location: | Peru, Indiana, United States |
GPS Coordinates: | 40°38'53"N by 86°9'7"W |
View all routes: | Routes from GUS |
More Information: | GUS 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 Grissom Air Reserve Base (GUS):
- On 1 February 1978, the Air Force renamed the 305th Air Refueling Wing as the 305th Air Refueling Wing, Heavy.
- Strategic Air Command on 1 June 1959 moved the 305th Bombardment Wing, Medium, from MacDill Air Force Base in Florida to Bunker Hill Air Force Base.
- The furthest airport from Grissom Air Reserve Base (GUS) is Margaret River Airport (MGV), which is located 11,184 miles (17,998 kilometers) away in Margaret River, Western Australia, Australia.
- The closest airport to Grissom Air Reserve Base (GUS) is Kokomo Municipal Airport (OKK), which is located only 10 miles (15 kilometers) SSE of GUS.
- In addition to being known as "Grissom Air Reserve Base", another name for GUS is "Grissom ARS".
- The United States Navy on 1 July 1942 started Naval Air Station Bunker Hill to train Navy, United States Marine Corps and United States Coast Guard pilots.
- The United States Navy established Naval Air Station Bunker Hill in 1942 and closed it after World War II ended.
- Until the retirement of the Space Shuttle on 21 July 2011, Grissom was listed as one of the emergency landing sites due to its 12,000 ft runway
- On 27 January 1967, the Apollo I spacecraft caught fire during a pre-launch preparation at Cape Canaveral Air Force Station Launch Complex 34, killing United States Air Force astronaut Lieutenant Colonel Virgil I.
Facts about St. Louis Downtown Airport (CPS):
- 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.
- 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.
- The airport closed in 1959 and reopened six years later as Bi-State Parks Airport.
- 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.