Nonstop flight route between Zonguldak, Turkey and St. Louis, Missouri, United States:
Departure Airport:

Arrival Airport:

Distance from ONQ to STL:
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- About this route
- ONQ Airport Information
- STL Airport Information
- Facts about ONQ
- Facts about STL
- Map of Nearest Airports to ONQ
- List of Nearest Airports to ONQ
- Map of Furthest Airports from ONQ
- List of Furthest Airports from ONQ
- Map of Nearest Airports to STL
- List of Nearest Airports to STL
- Map of Furthest Airports from STL
- List of Furthest Airports from STL
About this route:
A direct, nonstop flight between Zonguldak Airport (ONQ), Zonguldak, Turkey and Lambert–St. Louis International Airport (STL), St. Louis, Missouri, United States would travel a Great Circle distance of 5,816 miles (or 9,360 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 Zonguldak Airport and Lambert–St. Louis 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 Zonguldak Airport and Lambert–St. Louis 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: | ONQ / LTAS |
Airport Name: | Zonguldak Airport |
Location: | Zonguldak, Turkey |
GPS Coordinates: | 41°30'23"N by 32°5'18"E |
Area Served: | Zonguldak |
Operator/Owner: | Turkish State Airports Authority - DHMI |
# of Runways: | 1 |
View all routes: | Routes from ONQ |
More Information: | ONQ Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | STL / KSTL |
Airport Name: | Lambert–St. Louis International Airport |
Location: | St. Louis, Missouri, United States |
GPS Coordinates: | 38°44'49"N by 90°21'41"W |
Area Served: | Greater St. Louis, Missouri |
Operator/Owner: | City of St. Louis |
Airport Type: | Public |
Elevation: | 605 feet (184 meters) |
# of Runways: | 4 |
View all routes: | Routes from STL |
More Information: | STL Maps & Info |
Facts about Zonguldak Airport (ONQ):
- The furthest airport from Zonguldak Airport (ONQ) is Rurutu Airport (RUR), which is located 11,104 miles (17,870 kilometers) away in Rurutu, French Polynesia.
- The closest airport to Zonguldak Airport (ONQ) is Kastamonu Airport (KFS), which is located 89 miles (144 kilometers) E of ONQ.
- Zonguldak Airport (ONQ) currently has only 1 runway.
Facts about Lambert–St. Louis International Airport (STL):
- In the late 1920s, Lambert Field became the first airport with an air traffic control system—albeit one that communicated with pilots via waving flags.
- Lambert–St. Louis International Airport (STL) has 4 runways.
- The September 11, 2001 terrorist attacks were a huge demand shock to air service nationwide, with total airline industry domestic revenue passenger miles dropping 20% in October 2001 and 17% in November 2001.
- The closest airport to Lambert–St. Louis International Airport (STL) is St. Louis Downtown Airport (CPS), which is located only 16 miles (27 kilometers) SE of STL.
- Because of Lambert–St. Louis International Airport's relatively low elevation of 605 feet, planes can take off or land at Lambert–St. Louis International 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 furthest airport from Lambert–St. Louis International Airport (STL) is Margaret River Airport (MGV), which is located 10,986 miles (17,681 kilometers) away in Margaret River, Western Australia, Australia.
- In early October 2009, Southwest Airlines announced the addition of 6 daily flights to several cities it already served from St.
- American Airline's merger closed in April 2001, and the last TWA flight was flown on December 1, 2001.