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

Arrival Airport:

Distance from CPS to RER:
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- About this route
- CPS Airport Information
- RER Airport Information
- Facts about CPS
- Facts about RER
- 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 RER
- List of Nearest Airports to RER
- Map of Furthest Airports from RER
- List of Furthest Airports from RER
About this route:
A direct, nonstop flight between St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States and Retalhuleu Airport (RER), Retalhuleu, Guatemala would travel a Great Circle distance of 1,664 miles (or 2,678 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 St. Louis Downtown Airport and Retalhuleu 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: | RER / MGRT |
Airport Names: |
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Location: | Retalhuleu, Guatemala |
GPS Coordinates: | 14°31'15"N by 91°41'49"W |
Airport Type: | Military/Public |
Elevation: | 656 feet (200 meters) |
# of Runways: | 1 |
View all routes: | Routes from RER |
More Information: | RER 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.
- Historic Hangar #2 houses the Greater Saint Louis Air & Space Museum and the airport is still home to the nation's oldest flight school, Parks College of Engineering and Aviation's Center for Aerospace Sciences, which holds CAA Flight School Certificate #1.
- 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.
- 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 airport opened in 1929 as Curtiss-Steinberg 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.
Facts about Retalhuleu Airport (RER):
- Retalhuleu Airport (RER) currently has only 1 runway.
- In addition to being known as "Retalhuleu Airport", another name for RER is "Base Aérea del Sur".
- The furthest airport from Retalhuleu Airport (RER) is Cocos (Keeling) Island Airport (CCK), which is located 11,841 miles (19,057 kilometers) away in Cocos Islands, Australia.
- Because of Retalhuleu Airport's relatively low elevation of 656 feet, planes can take off or land at Retalhuleu 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 Retalhuleu Airport (RER) is Coatepeque Airport (CTF), which is located only 17 miles (28 kilometers) NW of RER.