Nonstop flight route between Zamboanga City, Philippines and Alton, Illinois, United States:
Departure Airport:

Arrival Airport:

Distance from ZAM to ALN:
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- About this route
- ZAM Airport Information
- ALN Airport Information
- Facts about ZAM
- Facts about ALN
- Map of Nearest Airports to ZAM
- List of Nearest Airports to ZAM
- Map of Furthest Airports from ZAM
- List of Furthest Airports from ZAM
- Map of Nearest Airports to ALN
- List of Nearest Airports to ALN
- Map of Furthest Airports from ALN
- List of Furthest Airports from ALN
About this route:
A direct, nonstop flight between Zamboanga International Airport (ZAM), Zamboanga City, Philippines and St. Louis Regional Airport (ALN), Alton, Illinois, United States would travel a Great Circle distance of 8,662 miles (or 13,940 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 Zamboanga International Airport and St. Louis Regional 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 Zamboanga International Airport and St. Louis Regional Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | ZAM / RPMZ |
Airport Names: |
|
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 |
Arrival Airport Information:
IATA / ICAO Codes: | ALN / KALN |
Airport Name: | St. Louis Regional Airport |
Location: | Alton, Illinois, United States |
GPS Coordinates: | 38°53'25"N by 90°2'45"W |
Area Served: | Alton, Illinois |
Operator/Owner: | St. Louis Regional |
Airport Type: | Public |
Elevation: | 544 feet (166 meters) |
# of Runways: | 2 |
View all routes: | Routes from ALN |
More Information: | ALN Maps & Info |
Facts about Zamboanga International Airport (ZAM):
- Zamboanga International Airport handled 904,668 passengers last year.
- The closest airport to Zamboanga International Airport (ZAM) is Ipil Airport (IPE), which is located 70 miles (113 kilometers) NNE of 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.
- 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.
- The airport started off as Moret Field, an American airfield that was constructed from a rather poor Japanese airfield just north of Zamboanga.
- Zamboanga International Airport (ZAM) currently has only 1 runway.
- Overall operational statistics
- There were plans to transfer the airport to a 104-hectare lot located between Barangays Talabaan and Taluksangay, possibly making it the largest airport in Mindanao.
- March 6, 2009 - Released the feasibility study of Zamboanga International Airport Development Project by the Department of Transportation and Communication.
- Currently, the proposed plan of transferring the present airport in Barangay Sta Maria and Barangay San Roque has finally pushed through with the proposed of the new Zamboanga International Airport somewhere in Barangay Mercedes, Barangay Taluksangay and Barangay Talabaan which is now ongoing as reported.
- The airport has one terminal and a 30,000 square-meter apron.
- In addition to being known as "Zamboanga International Airport", another name for ZAM is "Paliparang Pandaigdig ng ZamboangaAeropuerto Internacional de Zamboanga".
- The national government through the DOTC, alloted 15 million pesos for the feasibility study of the project.
Facts about St. Louis Regional Airport (ALN):
- Because of St. Louis Regional Airport's relatively low elevation of 544 feet, planes can take off or land at St. Louis Regional 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 2,250 acres airfield sits at 544 ft MSL.
- The closest airport to St. Louis Regional Airport (ALN) is Lambert–St. Louis International Airport (STL), which is located only 20 miles (32 kilometers) WSW of ALN.
- The furthest airport from St. Louis Regional Airport (ALN) is Margaret River Airport (MGV), which is located 11,002 miles (17,706 kilometers) away in Margaret River, Western Australia, Australia.
- St. Louis Regional Airport (ALN) has 2 runways.