They are two different countries. Australia largly takes after England and American and is mainly populated by 'whites' (for the lack of a better word) where as Papua New Guinea follows nations like Singapore and Malaysia and is mostly populated by 'asians' (again for the lack of a better word).
Australia is more modern and technologically advanced than most parts of Papua New Guinea.
Papua New Guinea once belonged to Australia but declared independence in 1975.
For more information mearly search both Australia and Papua New Guinea on wikipedia and compare for yourself.
Papua New Guinea is island , New Gwinea is name of country
Torres Strait lies between Australia and Papua New Guinea.
Australia - Papua New Guinea flight information. Link.
Is there sailing from Papua New Guinea to Australia
There is no ocean between Australia and Papua New Guinea.The sea which separates Australia and Papua New Guinea is the Coral Sea.The strait which separates the northern tip of Australia and the coast of Papua New Guinea at its closest point is Torres Strait.
The body of water between Australia's Cape York Peninsula and Papua New Guinea is Torres Strait.
The three seas which border both New Guinea and Australia are the Arafura Sea, Coral Sea and Timor Sea.The body of water between the northern tip of Australia and the southern coast of Papua New Guinea is Torres Strait.
The Coral Sea borders both Papua New Guinea and Australia.
Cape York, the northern tip of Australia, is about 150km from the nearest part of Papua new Guinea.
Papua New Guinea lies north of Australia.
The Solomon Islands are northeast of Australia and east of Papua New Guinea.
Papua New Guinea
No, Papua New Guinea is south of Korea.Papua New Guinea lies north of Australia.