Australia has over 8000 islands of its own which are close to the mainland. If the question refers to any island belonging to Another Country, then the island of New Guinea is closest to Australia. It is closer than any of the islands of either New Zealand or Indonesia.
The island of mauritius is closest to the continent of Africa but not in, as its in the Indian ocean.
Western Australia is closest to Africa.
It sits on Liberty Island, and the closest to that island is, Ellis Island.
the continet that is close to the centre of the world is asia
Kangaroo Island is closest to South Australia.
The distance between South America and Africa at their closest is 2848 kilometers. The closest points are Touros, Brazil and Sherbro Island, Sierra Leone.
Molokai is the closest island to Pearl Harbor.
Not really the closest thing there is St. Helena which is an Island of the coast of west Africa
Ellis island
Venezuela is the most closest to the size of Niger Africa
what is the closest town/city near white island
Big Island