Wyoming is bordered on the southwest by Utah and on the west by Idaho.
Arkansas and Missouri border Tennessee on the west.
Nevada and Utah are Rocky Mountain states that border Arizona.
Nevada
If you mean which two states border BOTH Nevada and Montana, the answer is Utah and Wyoming.
Nevada and Utah
utah and kentucky
Arkansas and Louisiana.
Kentucky and West Virginia
Utah has no international borders.
Virginia and West Virginia
West Virginia is bordered by Maryland to the northeast.