Your answer depends on the weather, the condition of the sea ice, the time of year and the speed of your vessel.
the closest station to casey is mirny station
You can locate Casey Station using these coordinates: 66.2817° S, 110.5244° E.
Casey Station is supported by the Australian Antarctic Division (AAD) of the Australian government.
Hobart Tasmania is about 1390 nautical miles or 2575 kilometers from Antarctica. The average flight time from Hobart to Antarctica is about 4.5 hours. Note that there are no commercial air services on this route.
Australia supports research stations on Antarctica named Casey station, Davis station, Macquarie island station and Mawson station.
The names you want are Davis Station, Mawson Station and Casey Station.
Your answer depends on your starting point.
Casey Station, Antarctica
You can find Casey Station using these coordinates: 66° 16′ 54″ S, 110° 31′ 28″ E.
From its Wikipedia entry:"Casey Station is a permanent base in Antarctica managed by the Australian Antarctic Division (AAD). It lies on the northern side of the Bailey Peninsula overlooking Vincennes Bay on the Budd Coast of Wilkes Land in the Australian Antarctic Territory."
Casey station is located at the edge of the Antarctic continent, at the GPS location of 66° 16′ 54″ S, 110° 31′ 28″ E .
The answer depends on where you want to start your journey in Australia and where you want to end your journey in Antarctica. However, as a general guide:The total distance from Antarctica to Australia is 7 014 kilometres, which is equivalent to 4 359 miles or 3 787 nautical miles.The distance from Tasmania, Australia's southern island state, to Antarctica is 5 369 km, or 3 336 miles.The distance from Hobart, the state's capital in southern Tasmania to Australia's closest Antarctic station, Casey, is 3 443 km, but this is outside the Antarctic Circle.