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

Arrival Airport:

Distance from CPS to SLM:
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- About this route
- CPS Airport Information
- SLM Airport Information
- Facts about CPS
- Facts about SLM
- 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 SLM
- List of Nearest Airports to SLM
- Map of Furthest Airports from SLM
- List of Furthest Airports from SLM
About this route:
A direct, nonstop flight between St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States and Salamanca-Matacán Airport (SLM), Salamanca, Spain would travel a Great Circle distance of 4,310 miles (or 6,936 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 Salamanca-Matacán 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 Salamanca-Matacán 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: | SLM / LESA |
Airport Names: |
|
Location: | Salamanca, Spain |
GPS Coordinates: | 40°57'6"N by 5°30'6"W |
Operator/Owner: | Aena |
Airport Type: | Public, military |
Elevation: | 2595 feet (791 meters) |
# of Runways: | 2 |
View all routes: | Routes from SLM |
More Information: | SLM Maps & Info |
Facts about St. Louis Downtown Airport (CPS):
- 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.
- The airport closed in 1959 and reopened six years later as Bi-State Parks Airport.
- 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 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.
- 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 Salamanca-Matacán Airport (SLM):
- Salamanca-Matacán Airport handled 15,830 passengers last year.
- The closest airport to Salamanca-Matacán Airport (SLM) is Valladolid International Airport (VLL), which is located 62 miles (100 kilometers) NNE of SLM.
- In addition to being known as "Salamanca-Matacán Airport", another name for SLM is "Aeropuerto de Salamanca-Matacán".
- The furthest airport from Salamanca-Matacán Airport (SLM) is Kapiti Coast Airport (PPQ), which is nearly antipodal to Salamanca-Matacán Airport (meaning Salamanca-Matacán Airport is almost on the exact opposite side of the Earth from Kapiti Coast Airport), and is located 12,411 miles (19,973 kilometers) away in Paraparaumu Beach, New Zealand.
- Salamanca-Matacán Airport (SLM) has 2 runways.