Nonstop flight route between Coatesville, Pennsylvania, United States and Zamboanga City, Philippines:
Departure Airport:

Arrival Airport:

Distance from CTH to ZAM:
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- About this route
- CTH Airport Information
- ZAM Airport Information
- Facts about CTH
- Facts about ZAM
- Map of Nearest Airports to CTH
- List of Nearest Airports to CTH
- Map of Furthest Airports from CTH
- List of Furthest Airports from CTH
- Map of Nearest Airports to ZAM
- List of Nearest Airports to ZAM
- Map of Furthest Airports from ZAM
- List of Furthest Airports from ZAM
About this route:
A direct, nonstop flight between Chester County G. O. Carlson Airport (CTH), Coatesville, Pennsylvania, United States and Zamboanga International Airport (ZAM), Zamboanga City, Philippines would travel a Great Circle distance of 9,000 miles (or 14,485 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 Chester County G. O. Carlson Airport and Zamboanga 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 Chester County G. O. Carlson Airport and Zamboanga 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: | CTH / KMQS |
Airport Names: |
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Location: | Coatesville, Pennsylvania, United States |
GPS Coordinates: | 39°58'44"N by 75°51'56"W |
Operator/Owner: | Chester County Area Airport Authority |
Airport Type: | Public |
Elevation: | 660 feet (201 meters) |
# of Runways: | 1 |
View all routes: | Routes from CTH |
More Information: | CTH Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | ZAM / RPMZ |
Airport Names: |
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Location: | Zamboanga City, Philippines |
GPS Coordinates: | 6°55'21"N by 122°3'34"E |
Area Served: | Zamboanga City |
Operator/Owner: | Civil Aviation Authority of the Philippines |
Airport Type: | Military/Public |
Elevation: | 20 feet (6 meters) |
# of Runways: | 1 |
View all routes: | Routes from ZAM |
More Information: | ZAM Maps & Info |
Facts about Chester County G. O. Carlson Airport (CTH):
- Because of Chester County G. O. Carlson Airport's relatively low elevation of 660 feet, planes can take off or land at Chester County G. O. Carlson 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.
- Chester County G. O. Carlson Airport (CTH) currently has only 1 runway.
- In addition to being known as "Chester County G. O. Carlson Airport", another name for CTH is "MQS".
- The airport opened May 1, 1928 as Coatesville Airport and was owned and operated by the City of Coatesville.
- The furthest airport from Chester County G. O. Carlson Airport (CTH) is Margaret River Airport (MGV), which is located 11,702 miles (18,833 kilometers) away in Margaret River, Western Australia, Australia.
- The closest airport to Chester County G. O. Carlson Airport (CTH) is Brandywine Airport (OQN), which is located only 15 miles (24 kilometers) E of CTH.
Facts about Zamboanga International Airport (ZAM):
- The furthest airport from Zamboanga International Airport (ZAM) is Itaituba Airport (ITB), which is nearly antipodal to Zamboanga International Airport (meaning Zamboanga International Airport is almost on the exact opposite side of the Earth from Itaituba Airport), and is located 12,209 miles (19,648 kilometers) away in Itaituba, Pará, Brazil.
- The airport has one terminal and a 30,000 square-meter apron.
- Due to the US-RP Agreement, the US Air force used the airport while the Balikatan exercises were held in the city.
- In addition to being known as "Zamboanga International Airport", another name for ZAM is "Paliparang Pandaigdig ng ZamboangaAeropuerto Internacional de Zamboanga".
- Zamboanga International Airport handled 904,668 passengers last year.
- Earlier, a consortium of international and local investors, offered to construct a modern airport in the city under a build-operate-transfer scheme.
- The closest airport to Zamboanga International Airport (ZAM) is Ipil Airport (IPE), which is located 70 miles (113 kilometers) NNE of ZAM.
- Zamboanga International Airport (ZAM) currently has only 1 runway.
- Because of Zamboanga International Airport's relatively low elevation of 20 feet, planes can take off or land at Zamboanga 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.