Nonstop flight route between Impfondo, Republic of the Congo and Granite Mountain, Alaska, United States:
Departure Airport:

Arrival Airport:

Distance from ION to GMT:
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- About this route
- ION Airport Information
- GMT Airport Information
- Facts about ION
- Facts about GMT
- Map of Nearest Airports to ION
- List of Nearest Airports to ION
- Map of Furthest Airports from ION
- List of Furthest Airports from ION
- Map of Nearest Airports to GMT
- List of Nearest Airports to GMT
- Map of Furthest Airports from GMT
- List of Furthest Airports from GMT
About this route:
A direct, nonstop flight between Impfondo Airport (ION), Impfondo, Republic of the Congo and Granite Mountain Air Station (GMT), Granite Mountain, Alaska, United States would travel a Great Circle distance of 7,808 miles (or 12,566 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 Impfondo Airport and Granite Mountain Air Station, 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 Impfondo Airport and Granite Mountain Air Station. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | ION / FCOI |
Airport Name: | Impfondo Airport |
Location: | Impfondo, Republic of the Congo |
GPS Coordinates: | 1°35'21"N by 18°2'42"E |
Area Served: | Impfondo, Republic of the Congo |
Elevation: | 1099 feet (335 meters) |
View all routes: | Routes from ION |
More Information: | ION Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | GMT / PAGZ |
Airport Names: |
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Location: | Granite Mountain, Alaska, United States |
GPS Coordinates: | 65°24'7"N by 161°16'53"W |
Operator/Owner: | U.S. Government |
Airport Type: | Private |
Elevation: | 1313 feet (400 meters) |
# of Runways: | 1 |
View all routes: | Routes from GMT |
More Information: | GMT Maps & Info |
Facts about Impfondo Airport (ION):
- The closest airport to Impfondo Airport (ION) is Bétou Airport (BTB), which is located 106 miles (170 kilometers) NNE of ION.
- The furthest airport from Impfondo Airport (ION) is Cassidy International Airport (CXI), which is nearly antipodal to Impfondo Airport (meaning Impfondo Airport is almost on the exact opposite side of the Earth from Cassidy International Airport), and is located 12,034 miles (19,367 kilometers) away in Christmas Island, Kiribati.
Facts about Granite Mountain Air Station (GMT):
- Granite Mountain Air Station (GMT) currently has only 1 runway.
- In addition to being known as "Granite Mountain Air Station", another name for GMT is "GSZ".
- The furthest airport from Granite Mountain Air Station (GMT) is Cape Town International Airport (CPT), which is located 10,265 miles (16,520 kilometers) away in Cape Town, South Africa.
- The closest airport to Granite Mountain Air Station (GMT) is Haycock Airport (HAY), which is located only 14 miles (23 kilometers) SSE of GMT.