Nonstop flight route between Smithton, Tasmania, Australia and Twentynine Palms, California, United States:
Departure Airport:

Arrival Airport:

Distance from SIO to TNP:
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- About this route
- SIO Airport Information
- TNP Airport Information
- Facts about SIO
- Facts about TNP
- Map of Nearest Airports to SIO
- List of Nearest Airports to SIO
- Map of Furthest Airports from SIO
- List of Furthest Airports from SIO
- Map of Nearest Airports to TNP
- List of Nearest Airports to TNP
- Map of Furthest Airports from TNP
- List of Furthest Airports from TNP
About this route:
A direct, nonstop flight between Smithton Airport (SIO), Smithton, Tasmania, Australia and Twentynine Palms Airport (TNP), Twentynine Palms, California, United States would travel a Great Circle distance of 8,131 miles (or 13,085 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 Smithton Airport and Twentynine Palms 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 Smithton Airport and Twentynine Palms Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | SIO / YSMI |
Airport Name: | Smithton Airport |
Location: | Smithton, Tasmania, Australia |
GPS Coordinates: | 40°50'6"S by 145°4'59"E |
Operator/Owner: | DIER |
Airport Type: | Public |
Elevation: | 31 feet (9 meters) |
# of Runways: | 2 |
View all routes: | Routes from SIO |
More Information: | SIO Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | TNP / KTNP |
Airport Name: | Twentynine Palms Airport |
Location: | Twentynine Palms, California, United States |
GPS Coordinates: | 34°7'54"N by 115°56'44"W |
Area Served: | Twentynine Palms, California |
Operator/Owner: | County of San Bernardino |
Airport Type: | Public |
Elevation: | 1888 feet (575 meters) |
# of Runways: | 2 |
View all routes: | Routes from TNP |
More Information: | TNP Maps & Info |
Facts about Smithton Airport (SIO):
- The closest airport to Smithton Airport (SIO) is Burnie Airport (BWT), which is located 36 miles (57 kilometers) ESE of SIO.
- Because of Smithton Airport's relatively low elevation of 31 feet, planes can take off or land at Smithton 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 Smithton Airport (SIO) is Corvo Airport (CVU), which is nearly antipodal to Smithton Airport (meaning Smithton Airport is almost on the exact opposite side of the Earth from Corvo Airport), and is located 12,221 miles (19,667 kilometers) away in Corvo Island, Azores, Portugal.
- Smithton Airport (SIO) has 2 runways.
Facts about Twentynine Palms Airport (TNP):
- The furthest airport from Twentynine Palms Airport (TNP) is Sir Gaëtan Duval Airport (RRG), which is located 11,443 miles (18,415 kilometers) away in Rodrigues Island, Mauritius.
- Twentynine Palms Airport (TNP) has 2 runways.
- The closest airport to Twentynine Palms Airport (TNP) is Bermuda Dunes Airport (UDD), which is located 33 miles (52 kilometers) SW of TNP.
- Activated on 1 January 1942 by the United States Army Air Forces.