cuba
Argentina and Bolivia
Cuba is about 225 miles due south of Miami, Florida.
There is no country directly south of Australia, although Chille and Argentina are further south than it. The only landmass directly south of Australia is the Antarctic continent, which has no permanent residents.
Part of it is. Ecuador, for example. lies directly on the equater (hence the name). Excluding Brazil, which abuts Ecuador, no other South American country lies on the equater, so they cannot be considered "equatorial" countries,
South America
Yes Nebraska lies directly south of South Dakota.
The continent of Australia lies to the north of Tasmania. Tasmania is part of Australia, the mainland of which lies directly to the north.
Spain.
canada
The Atlantic Ocean.
Botswana in to the South of Zambia