Nonstop flight route between Champaign-Urbana, Illinois, United States and Smithton, Tasmania, Australia:
Departure Airport:

Arrival Airport:

Distance from CMI to SIO:
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- About this route
- CMI Airport Information
- SIO Airport Information
- Facts about CMI
- Facts about SIO
- Map of Nearest Airports to CMI
- List of Nearest Airports to CMI
- Map of Furthest Airports from CMI
- List of Furthest Airports from CMI
- 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 University of Illinois Willard Airport (CMI), Champaign-Urbana, Illinois, United States and Smithton Airport (SIO), Smithton, Tasmania, Australia would travel a Great Circle distance of 9,675 miles (or 15,570 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 University of Illinois Willard 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 University of Illinois Willard 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: | CMI / KCMI |
Airport Name: | University of Illinois Willard Airport |
Location: | Champaign-Urbana, Illinois, United States |
GPS Coordinates: | 40°2'21"N by 88°16'41"W |
Area Served: | Champaign-Urbana, Illinois |
Operator/Owner: | University of Illinois at Urbana-Champaign |
Airport Type: | Public |
Elevation: | 754 feet (230 meters) |
# of Runways: | 4 |
View all routes: | Routes from CMI |
More Information: | CMI 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 University of Illinois Willard Airport (CMI):
- The airport is served by buses from the Champaign-Urbana Mass Transit District, which connect with intercity buses and with Amtrak.
- The closest airport to University of Illinois Willard Airport (CMI) is Decatur Airport (DEC), which is located 34 miles (55 kilometers) WSW of CMI.
- University of Illinois Willard Airport (CMI) has 4 runways.
- Because of University of Illinois Willard Airport's relatively low elevation of 754 feet, planes can take off or land at University of Illinois Willard 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 University of Illinois Willard Airport (CMI) is Margaret River Airport (MGV), which is located 11,084 miles (17,838 kilometers) away in Margaret River, Western Australia, Australia.
- On January 28, 1998 President Bill Clinton was in Champaign-Urbana for a speaking engagement at Assembly Hall and arrived at Willard Airport on Air Force One.
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.