Nonstop flight route between Gaithersburg, Maryland, United States and Hawi, Hawaii, United States:
Departure Airport:

Arrival Airport:

Distance from GAI to UPP:
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- About this route
- GAI Airport Information
- UPP Airport Information
- Facts about GAI
- Facts about UPP
- Map of Nearest Airports to GAI
- List of Nearest Airports to GAI
- Map of Furthest Airports from GAI
- List of Furthest Airports from GAI
- Map of Nearest Airports to UPP
- List of Nearest Airports to UPP
- Map of Furthest Airports from UPP
- List of Furthest Airports from UPP
About this route:
A direct, nonstop flight between Montgomery County Airpark (GAI), Gaithersburg, Maryland, United States and Upolu Airport (UPP), Hawi, Hawaii, United States would travel a Great Circle distance of 4,755 miles (or 7,652 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 Montgomery County Airpark and Upolu 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 Montgomery County Airpark and Upolu Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | GAI / KGAI |
Airport Name: | Montgomery County Airpark |
Location: | Gaithersburg, Maryland, United States |
GPS Coordinates: | 39°10'5"N by 77°9'57"W |
Operator/Owner: | Montgomery County Revenue Authority |
Airport Type: | Public |
Elevation: | 539 feet (164 meters) |
# of Runways: | 1 |
View all routes: | Routes from GAI |
More Information: | GAI Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | UPP / PHUP |
Airport Name: | Upolu Airport |
Location: | Hawi, Hawaii, United States |
GPS Coordinates: | 20°15'55"N by 155°51'36"W |
Area Served: | Hawi, Hawaii |
Operator/Owner: | Hawaii Department of Transportation |
Airport Type: | Public |
Elevation: | 96 feet (29 meters) |
# of Runways: | 1 |
View all routes: | Routes from UPP |
More Information: | UPP Maps & Info |
Facts about Montgomery County Airpark (GAI):
- The closest airport to Montgomery County Airpark (GAI) is College Park Airport (CGS), which is located only 18 miles (30 kilometers) SE of GAI.
- Montgomery County Airpark (GAI) currently has only 1 runway.
- Because of Montgomery County Airpark's relatively low elevation of 539 feet, planes can take off or land at Montgomery County Airpark 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 Montgomery County Airpark (GAI) is Margaret River Airport (MGV), which is located 11,667 miles (18,776 kilometers) away in Margaret River, Western Australia, Australia.
Facts about Upolu Airport (UPP):
- Upolu Airport covers an area of 82 acres at an elevation of 96 feet above mean sea level.
- Upolu Airport was originally built in 1927 for the United States Air Service to be under the control and management of the War Department.
- Upolu Airport (UPP) currently has only 1 runway.
- The furthest airport from Upolu Airport (UPP) is Maun Airport (MUB), which is nearly antipodal to Upolu Airport (meaning Upolu Airport is almost on the exact opposite side of the Earth from Maun Airport), and is located 12,387 miles (19,934 kilometers) away in Maun, Botswana.
- Because of Upolu Airport's relatively low elevation of 96 feet, planes can take off or land at Upolu 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 Upolu Airport (UPP) is Waimea-Kohala Airport (MUE), which is located 22 miles (36 kilometers) SE of UPP.