That would be great to have Varig flying to Australia. But as already mentioned, Aerolineas Argentinas and Lan Chile have flights to there. I think it's a good number of flights form Australia to South America. Somebody who wants to go from Australia to Brazil has two choices, and then can make a connection in Argentina or Chile to Brazil (then you can choose Aerolineas Argentinas, Lan Chile, Varig, TAM...). A third flight from Australia to South America would be with a very low load factor.
To have this third flight, first is needed to increase trades between Australia and countries from here, South America.
, is more probable to have Varig restarting flying to there, than to Australia. There are no flights from HKG
to South America, and also for the economy and tourism between South America and Hong Kong, this would be a good flight. And Varig has already operated this flight with success, which means that it would be easier than going to Australia.
Beijing is also a very good destination that Varig could fly to. The thread between Brazil and China is increasing more and more and there's a big Chinese community in Brazil.
Let's see if there's going to be those new routes.