Maine.
Maine.
Florida
It has the most land. :b
Florida by a smidge
The eastern most and western most points are both in the Aleuitian Islands in the State of Alaska.
Maine - try looking at a map of the USA it's not too hard to spot... Sorry...correction....Alaska is the most eastern (and western and northern) of the 50 US states. The Aleutian Islands extend across the 180 longitude, and into the Eastern Hemisphere. (Hawaii is the most southern.) However, Maine would be the most eastern of the contiguous 48 states.
No state is contiguous.
Lubec, Maine is the easternmost city in the contiguous United States.
Florida
Florida by a smidge
Alaska is the most northernly state in the continental and all of the USA. Minnesota is the most northernly state in the contiguous USA.