There are multiple states between New Jersey and Kentucky. Here is a list of all the states between these two.
Tennesee
Kentucky and west Virginia
They share a common border and in addition parts of West Virginia are in between.
Virginia
Virginia
The Bluegrass State
Kentucky, Virginia, or Tennessee. I believe it is in Kentucky.
West Virginia is bordered by Virginia and Kentucky on the southwest.
Kentucky.
Prior to becoming a state of the United States. Kentucky was a county in the state of Virginia.
Tennessee borders Kentucky on the southeast.
Yes, Kentucky was originally part of Virginia before becoming its own state in 1792.