There are 24.
maryland and virginia
Maryland and New jersey!!
Tennessee or Missouri; both share borders with eight states.
Washington D.C is a city, not a country. It shares borders with the states of Maryland and Virginia.
Pennsylvania shares borders with New York, New Jersey, Delaware, Maryland, West Virginia, and Ohio
No states share borders with Alaska
Short pieces of Delaware and Maryland are south of Pennsylvania and part of West Virginia is to the southwest. These three states share borders with Pennsylvania.
The states that border Maryland are Delaware, Pennsylvania, and Virginia.
Borders do not secede but states do. Kentucky, Maryland and Missouri were border states that did not secede in the union.
Pennsylvania borders Maryland to the south.
Delaware shares a border with Pennsylvania and with Maryland.
Both Hawaii and Alaska do not share borders with any other states.
Maryland shares borders with Pennsylvania, Delaware, Virginia and West Virginia.