Nonstop flight route between Columbus, Ohio, United States and Smithton, Tasmania, Australia:
Departure Airport:

Arrival Airport:

Distance from CMH to SIO:
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- About this route
- CMH Airport Information
- SIO Airport Information
- Facts about CMH
- Facts about SIO
- Map of Nearest Airports to CMH
- List of Nearest Airports to CMH
- Map of Furthest Airports from CMH
- List of Furthest Airports from CMH
- Map of Nearest Airports to SIO
- List of Nearest Airports to SIO
- Map of Furthest Airports from SIO
- List of Furthest Airports from SIO
About this route:
A direct, nonstop flight between Port Columbus International Airport (CMH), Columbus, Ohio, United States and Smithton Airport (SIO), Smithton, Tasmania, Australia would travel a Great Circle distance of 9,945 miles (or 16,004 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 Port Columbus International Airport and Smithton 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 Port Columbus International Airport and Smithton Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | CMH / KCMH |
Airport Name: | Port Columbus International Airport |
Location: | Columbus, Ohio, United States |
GPS Coordinates: | 39°59'53"N by 82°53'30"W |
Airport Type: | Public |
Elevation: | 815 feet (248 meters) |
# of Runways: | 2 |
View all routes: | Routes from CMH |
More Information: | CMH Maps & Info |
Arrival 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 |
Facts about Port Columbus International Airport (CMH):
- The furthest airport from Port Columbus International Airport (CMH) is Margaret River Airport (MGV), which is located 11,361 miles (18,284 kilometers) away in Margaret River, Western Australia, Australia.
- Port Columbus is primarily a passenger airport, providing 151 non-stop flights to 34 airports via 15 airlines daily.
- Envoy Air operates a maintenance base at Port Columbus, along with Republic Airways who operate their flagship base at Port Columbus.
- The closest airport to Port Columbus International Airport (CMH) is Ohio State University Airport (OSU), which is located only 11 miles (18 kilometers) WNW of CMH.
- Port Columbus International Airport (CMH) has 2 runways.
- A$70 million renovation of airport facilities, designed by Brubaker, Brandt Inc., was initiated in 1979 for the airport's 50th anniversary and completed in 1981.
- Port Columbus is currently going under a Terminal Modernization Program, which includes new terrazzo flooring throughout the airport, new restrooms, and new LED lighting.
- A New Creations Learjet 25XR from Philadelphia International Airport lost sight of the runway on approach in heavy rain and lost directional control, resulting in no fatalities.
- Because of Port Columbus International Airport's relatively low elevation of 815 feet, planes can take off or land at Port Columbus 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.
Facts about Smithton Airport (SIO):
- Smithton Airport (SIO) has 2 runways.
- 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.
- 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.