The Delaware River forms Pennsylvania's eastern border. Across the river are New Jersey and New York
Pennsylvania is bordered to the east by the Delaware River and New Jersey. To the south, the border is delineated by the Mason-Dixon Line, separating it from Maryland and Delaware. The western border is marked by the Ohio River and the northern border adjoins New York, New Jersey, and Lake Erie.
No state capitals border New York.
The Hudson River separates New Jersey from New York City.
Pennsylvania
Pennsylvania, New Jersey, Connecticut, Massachusetts, and Vermont all border New York state.
BICHNew Jersey?
The Delaware River is boundary river between Pennsylvania and New Jersey&New York.
The St. Lawrence River is located in North America Bordering US and Canada. It connects the Great Lakes with the Atlantic Ocean.
Pennsylvania (on Lake Erie) does not border Michgan, nor does New York on Lake Ontario.
Pennsylvania and New Jersey.
They share a common border.