Nonstop flight route between Greenville / Spartanburg, South Carolina, United States and Port Graham, Alaska, United States:
Departure Airport:

Arrival Airport:

Distance from GSP to PGM:
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- About this route
- GSP Airport Information
- PGM Airport Information
- Facts about GSP
- Facts about PGM
- Map of Nearest Airports to GSP
- List of Nearest Airports to GSP
- Map of Furthest Airports from GSP
- List of Furthest Airports from GSP
- Map of Nearest Airports to PGM
- List of Nearest Airports to PGM
- Map of Furthest Airports from PGM
- List of Furthest Airports from PGM
About this route:
A direct, nonstop flight between Greenville–Spartanburg International Airport (GSP), Greenville / Spartanburg, South Carolina, United States and Port Graham Airport (PGM), Port Graham, Alaska, United States would travel a Great Circle distance of 3,480 miles (or 5,601 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 Greenville–Spartanburg International Airport and Port Graham 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 Greenville–Spartanburg International Airport and Port Graham Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | GSP / KGSP |
Airport Names: |
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Location: | Greenville / Spartanburg, South Carolina, United States |
GPS Coordinates: | 34°53'44"N by 82°13'8"W |
Area Served: | Upstate South Carolina |
Operator/Owner: | Greenville–Spartanburg Airport District |
Airport Type: | Public |
Elevation: | 964 feet (294 meters) |
# of Runways: | 1 |
View all routes: | Routes from GSP |
More Information: | GSP Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | PGM / |
Airport Name: | Port Graham Airport |
Location: | Port Graham, Alaska, United States |
GPS Coordinates: | 59°20'53"N by 151°49'54"W |
Area Served: | Port Graham, Alaska |
Operator/Owner: | Alaska DOT&PF - Central Region |
Airport Type: | Public |
Elevation: | 93 feet (28 meters) |
# of Runways: | 1 |
View all routes: | Routes from PGM |
More Information: | PGM Maps & Info |
Facts about Greenville–Spartanburg International Airport (GSP):
- Greenville–Spartanburg International Airport handled 1,856,316 passengers last year.
- Because of Greenville–Spartanburg International Airport's relatively low elevation of 964 feet, planes can take off or land at Greenville–Spartanburg 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 closest airport to Greenville–Spartanburg International Airport (GSP) is Greenville Downtown Airport (GMU), which is located only 8 miles (13 kilometers) WSW of GSP.
- The furthest airport from Greenville–Spartanburg International Airport (GSP) is Margaret River Airport (MGV), which is located 11,449 miles (18,425 kilometers) away in Margaret River, Western Australia, Australia.
- Prior to GSP, Greenville and Spartanburg had separate airports and competed for airline service.
- In addition to being known as "Greenville–Spartanburg International Airport", another name for GSP is "Roger Milliken Field".
- FedEx operates a major package facility on the north end of the airport, and BMW has a facility which allows for the importation of parts to be easily accessed to the company's manufacturing facility, three miles to the east.
- Greenville–Spartanburg International Airport (GSP) currently has only 1 runway.
- Having been served by legacy carriers with large hubs in nearby Atlanta and Charlotte, GSP had historically been plagued with high fares.
Facts about Port Graham Airport (PGM):
- Port Graham Airport (PGM) currently has only 1 runway.
- The closest airport to Port Graham Airport (PGM) is Nanwalek Airport (formerly English Bay Airport) (KEB), which is located only 3 miles (5 kilometers) W of PGM.
- The furthest airport from Port Graham Airport (PGM) is Port Elizabeth International Airport (PLZ), which is located 10,680 miles (17,188 kilometers) away in Port Elizabeth, South Africa.
- Because of Port Graham Airport's relatively low elevation of 93 feet, planes can take off or land at Port Graham 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.