Tennessee and Missouri.
Tennessee and Misouri both share borders with eight states.
Hawaii is the newest of the 50 U.S. states and is the only U.S. state made up entirely of islands. Alaska is the largest state of the United States by area. These states don't touch or borders the contiental states.
There are 32 U.S. states each of which shares a border with at least one other U.S. state AND does not share a border with any Mexican state or Canadian province. Of those 32, there are 18 U.S. states that do not border international waters either (i.e., do not border the Pacific Ocean, the Atlantic Ocean, or the Gulf of México).
Mexico - The United States borders it to the North, and Guatemala borders it to the South.
Maine - one. New Hampshire. There could be others, but Maine is one that only borders one other state.
Canada does not have states.
Two US states have no land borders with other states : Alaska and Hawaii. The state with just one bordering state is Maine (borders New Hampshire).
Alaska and Hawaii share no borders with US States.
Tennessee borders 8 states (as does Missouri), the most of any.
Nevada is a state, one state of the US. It borders five other states.
Hawaii
The state you are thinking of is Alaska. It borders Canada and the Pacific Ocean, but not any of the other 49 States.
Maine. It borders only New Hampshire and Canada.Maine:US states: Maine. It borders with the US state of New Hampshire, to the south-west. It also borders with two Canadian provinces, Quebec and New Brunswick. However, as neither of these are US states, then, strictly, they don't count as states.Maine.Maine
South Dakota is a US State and has no states within its borders.
New Mexico. Mexico is a country bordering the United States and New Mexico, a state in the the United States, has the same name. The only state in the US that has the name of a country that borders the US in it is New Mexico. The other country is Mexico.
One US state - Michigan.
Baja California is the Mexican state that completely borders the southern US. but technically Arizona would border the southern California, in US states.