They are in different hemispheres of the Earth.
The United States has 291,465,333 more people than Australia as of July 2011. America (South America- 400,832,004; North America- 548,720,568) has 927,785,861 more people than Australia as of July 2011.
9,463 miles
Africa
they both have 4 seasons and are found on North and south America, Europe, Asia, and Australia
North America, South America, Australia, and Antarctica are the four continents without an Islamic State.
North America and Australia
In between Australia, Japan, North America, and South America.
That would have to be a tie between North America, South America, and Australia.
Between the poles, you can find six continents: Australia, Asia, North America, South America, Europe and Africa.
US is a country. America is two continents(south and north america).
60 degrees
The Pacific Ocean is situated between the continents of Asia/Australia and North America/South America. It borders Asia and Australia to the west and North and South America to the east.