Nonstop flight route between Great Falls, Montana, United States and Del Carmen, Surigao del Norte, Philippines:
Departure Airport:

Arrival Airport:

Distance from GFA to SOS:
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- About this route
- GFA Airport Information
- SOS Airport Information
- Facts about GFA
- Facts about SOS
- Map of Nearest Airports to GFA
- List of Nearest Airports to GFA
- Map of Furthest Airports from GFA
- List of Furthest Airports from GFA
- Map of Nearest Airports to SOS
- List of Nearest Airports to SOS
- Map of Furthest Airports from SOS
- List of Furthest Airports from SOS
About this route:
A direct, nonstop flight between Malmstrom Air Force Base (GFA), Great Falls, Montana, United States and Sayak Airport (SOS), Del Carmen, Surigao del Norte, Philippines would travel a Great Circle distance of 7,155 miles (or 11,514 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 Malmstrom Air Force Base and Sayak 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 Malmstrom Air Force Base and Sayak Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | GFA / KGFA |
Airport Names: |
|
Location: | Great Falls, Montana, United States |
GPS Coordinates: | 47°30'16"N by 111°11'13"W |
View all routes: | Routes from GFA |
More Information: | GFA Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | SOS / RPSN |
Airport Names: |
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Location: | Del Carmen, Surigao del Norte, Philippines |
GPS Coordinates: | 9°51'32"N by 126°0'50"E |
Area Served: | Siargao Island |
Operator/Owner: | Civil Aviation Authority of the Philippines |
Airport Type: | Public |
Elevation: | 10 feet (3 meters) |
# of Runways: | 1 |
View all routes: | Routes from SOS |
More Information: | SOS Maps & Info |
Facts about Malmstrom Air Force Base (GFA):
- Upon completion of the B-17 training program, in October 1943, Great Falls Army Air Base was transferred to the Air Transport Command and units from Gore Field were transferred to the base.
- On 18 December 1953, Great Falls AFB was transferred from Military Air Transport Service to Strategic Air Command, although MATS units remained at the base for several years.
- The closest airport to Malmstrom Air Force Base (GFA) is Great Falls International Airport (GTF), which is located only 9 miles (14 kilometers) W of GFA.
- The furthest airport from Malmstrom Air Force Base (GFA) is Sir Gaëtan Duval Airport (RRG), which is located 10,495 miles (16,891 kilometers) away in Rodrigues Island, Mauritius.
- In 1957, under the control of the 801st Aircraft Control and Warning Squadron, the Malmstrom AFB radar station became operational with AN/FPS-20 search and AN/FPS-6 height-finder radars.
- Great Falls played a major aerial defense role in North American air defense mission.
- In addition to being known as "Malmstrom Air Force Base", another name for GFA is "Malmstrom AFB".
Facts about Sayak Airport (SOS):
- In addition to being known as "Sayak Airport", other names for SOS include "Paliparan ng Sayak", "IAO" and "RPNS".
- Sayak Airport (SOS) currently has only 1 runway.
- Sayak Airport handled 781 passengers last year.
- Because of Sayak Airport's relatively low elevation of 10 feet, planes can take off or land at Sayak 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 Sayak Airport (SOS) is Orlando Villas-Bôas Regional Airport (MBK), which is nearly antipodal to Sayak Airport (meaning Sayak Airport is almost on the exact opposite side of the Earth from Orlando Villas-Bôas Regional Airport), and is located 12,368 miles (19,904 kilometers) away in Matupá, Mato Grosso, Brazil.
- The closest airport to Sayak Airport (SOS) is Surigao Airport (SUG), which is located 37 miles (60 kilometers) W of SOS.