Nonstop flight route between Hamilton Island, Queensland, Australia and Tacoma, Washington, United States:
Departure Airport:

Arrival Airport:

Distance from HTI to GRF:
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- About this route
- HTI Airport Information
- GRF Airport Information
- Facts about HTI
- Facts about GRF
- Map of Nearest Airports to HTI
- List of Nearest Airports to HTI
- Map of Furthest Airports from HTI
- List of Furthest Airports from HTI
- Map of Nearest Airports to GRF
- List of Nearest Airports to GRF
- Map of Furthest Airports from GRF
- List of Furthest Airports from GRF
About this route:
A direct, nonstop flight between Great Barrier Reef Airport (HTI), Hamilton Island, Queensland, Australia and Gray Army Airfield (GRF), Tacoma, Washington, United States would travel a Great Circle distance of 7,168 miles (or 11,536 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 Great Barrier Reef Airport and Gray Army Airfield, 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 Great Barrier Reef Airport and Gray Army Airfield. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | HTI / YBHM |
Airport Names: |
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Location: | Hamilton Island, Queensland, Australia |
GPS Coordinates: | 20°21'29"S by 148°57'6"E |
Operator/Owner: | Great Barrier Reef Airport Pty Ltd. |
Airport Type: | Public |
Elevation: | 15 feet (5 meters) |
# of Runways: | 1 |
View all routes: | Routes from HTI |
More Information: | HTI Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | GRF / KGRF |
Airport Names: |
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Location: | Tacoma, Washington, United States |
GPS Coordinates: | 47°4'45"N by 122°34'50"W |
Operator/Owner: | U.S. Army ATCA-ASO |
Airport Type: | Military |
Elevation: | 300 feet (91 meters) |
# of Runways: | 1 |
View all routes: | Routes from GRF |
More Information: | GRF Maps & Info |
Facts about Great Barrier Reef Airport (HTI):
- In addition to being known as "Great Barrier Reef Airport", another name for HTI is "Hamilton Island".
- Great Barrier Reef Airport handled 457,641 passengers last year.
- Great Barrier Reef Airport (HTI) currently has only 1 runway.
- Because of Great Barrier Reef Airport's relatively low elevation of 15 feet, planes can take off or land at Great Barrier Reef 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.
- In the year ending 30 June 2011 the airport handled 457,641 passengers making it the 19th busiest airport in Australia.
- The furthest airport from Great Barrier Reef Airport (HTI) is Agostinho Neto Airport (NTO), which is located 11,990 miles (19,297 kilometers) away in Ponta do Sol, Santo Antão, Cape Verde.
- The closest airport to Great Barrier Reef Airport (HTI) is Whitsunday Airport (WSY), which is located only 14 miles (22 kilometers) WNW of HTI.
Facts about Gray Army Airfield (GRF):
- The furthest airport from Gray Army Airfield (GRF) is Tôlanaro Airport (FTU), which is located 10,809 miles (17,395 kilometers) away in Tôlanaro, Madagascar.
- The 1938 construction included two paved runways, a boiler plant, headquarters building, metal balloon hangar, six-plane hangar, corrugated-iron hangar, storehouse, flight-surgeon office, and film-storage building.
- Another innovative aircraft came to GAAF in the fall of 2000.
- In addition to being known as "Gray Army Airfield", another name for GRF is "(Joint Base Lewis-McChord)".
- Because of Gray Army Airfield's relatively low elevation of 300 feet, planes can take off or land at Gray Army Airfield 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.
- During the Vietnam War, GAAF not only trained helicopter units, but fixed-wing aircraft units as well.
- The closest airport to Gray Army Airfield (GRF) is McChord Field/McChord AFB (TCM), which is located only 6 miles (10 kilometers) NE of GRF.
- Gray Army Airfield (GRF) currently has only 1 runway.
- In October 1921 Curtiss JN-4 “Jenny” biplanes flew from the Naval Station at Sand Point to a grass airfield at what was then called "Camp Lewis", located at a site just west of today’s Gray AAF.