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

Arrival Airport:

Distance from CPS to SYZ:
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- About this route
- CPS Airport Information
- SYZ Airport Information
- Facts about CPS
- Facts about SYZ
- 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 SYZ
- List of Nearest Airports to SYZ
- Map of Furthest Airports from SYZ
- List of Furthest Airports from SYZ
About this route:
A direct, nonstop flight between St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States and Shiraz International Airport (SYZ), Shiraz, Iran would travel a Great Circle distance of 7,154 miles (or 11,513 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 Shiraz International 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 Shiraz International 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: | SYZ / OISS |
Airport Names: |
|
Location: | Shiraz, Iran |
GPS Coordinates: | 29°32'21"N by 52°35'24"E |
Operator/Owner: | Civil Aviation Organization of Iran/Military of Iran |
Airport Type: | Public/Military |
Elevation: | 4920 feet (1,500 meters) |
# of Runways: | 2 |
View all routes: | Routes from SYZ |
More Information: | SYZ Maps & Info |
Facts about St. Louis Downtown Airport (CPS):
- The airport opened in 1929 as Curtiss-Steinberg Airport.
- 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.
- St. Louis Downtown Airport (CPS) has 3 runways.
- 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 Shiraz International Airport (SYZ):
- Because of Shiraz International Airport's high elevation of 4,920 feet, planes must typically fly at a faster airspeed in order to takeoff or land at SYZ. Combined with a high temperature, this could make SYZ a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- Shiraz International Airport consists of three terminals, with two Terminals for arrival and departure for International flights and one for Domestic flights.
- The closest airport to Shiraz International Airport (SYZ) is Bushehr Airport (BUZ), which is located 114 miles (183 kilometers) WSW of SYZ.
- The furthest airport from Shiraz International Airport (SYZ) is Totegegie Airport (GMR), which is located 11,794 miles (18,981 kilometers) away in Mangareva, Gambier Islands, French Polynesia.
- Shiraz International Airport (SYZ) has 2 runways.
- In addition to being known as "Shiraz International Airport", another name for SYZ is "Shahid Dastghaib International Airport Tadayon Air Base".