what is the closest landmass to australia
New Zealand is the most geographically isolated of all countries. Its closest neighbour, Australia, is 2,000 km to the north-west of the main islands, across the Tasman Sea. The only landmass to the south is Antarctica, and to the north are New Caledonia, Fiji, and Tonga.ustralia. The 7,686,850 kmÂ² Australian landmass is on the Indo-Australian Plate and is surrounded by the Indian, Southern and Pacific oceans, and separated from Asia by the Arafura and Timor seas, with total of 25,760 km of coastline.