There is no single river that separates all the states of Australia.
However, the Murray River separates the two states of Victoria and New South Wales, forming the border for much of the way before continuing into South Australia.
Mississippi.
the Ohio river
From the river that separates it from Argentina.
there are no river in paraguay!
godawari river
New Hampshire and Vermont? As in they are shared? None, the Connecticut River separates the two states.
The River Thames in the UK is not in Australia.
The states of Victoria and New South Wales are separated by the Murray River. This forms the border for much of the way.
The Rio Grande (not to be confused with a river of the same name that separates the US and Mexico).
Luna island
The longest river in Australia is the Murray River. Its length is around 2508 km.
darling river