Mississippi
New Mexico is considered as one of the Mountain States in the US. It is bordered by 4 states which are Texas, Arizona, Colorado and Oklahoma.
There are no countries in the US.
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).
The border state of Maryland was a central state in the US Civil War, and had the border state of Delaware on its east, the Union State of Pennsylvania to its north, and the Confederate state of Virginia to its south.
Mississippi
Here are two of them: Rhode Island is bordered by Conneticut and Massachusetts Washington State is bordered by Oregon and Idaho.
Alaska and Hawaii share no borders with US States.
colorado
There is one state in the United States bordered by a river on both sides. The state of Iowa has the Mississippi River on the east and the Missouri River on the west.
Tennessee
There are no US states south of Arizona.. Arizona is bordered to the south by Mexico.
Alaska and Hawaii each border no other states.
Alaska is one of two US states not bordered by another state, Hawaii is the other. Alaska is bordered by Canada (by the Canadian provinces of Yukon Territory and British Columbia) to the east, and has a maritime border with Russia to the west.
Tennessee and Misouri both share borders with eight states.
Silly question. -ALL of those states are in and surrounded by the US.
The US State of Illinois and the US State of Kentucky share a border with the Ohio River that runs between the two States. There is no land border with each other.