The Delaware River forms Pennsylvania's eastern border. Across the river are New Jersey and New York
Ohio borders Indiana to the east and shares borders with both Michigan and Pennsylvania. Specifically, Ohio is situated to the southeast of Indiana, to the southwest of Michigan, and to the south of Pennsylvania.
Both Pennsylvania and West Virginia are east of Ohio. Pennsylvania is to the northeast and West Virginia to the southeast.
The state that border Ohio to the south is the state of Kentucky. The state that borders Ohio to the east is Pennsylvania.
Virginia, of course! Though it also share borders with Maryland and Pennsylvania on the east.
Lake Ontario is the farthest east of the five Great lakes, but borders New York, not Pennsylvania. The lake that forms part of Pennsylvania's northwest border is Lake Erie.
Ohio shares a border with Indiana to the west, Pennsylvania to the east, and Kentucky and West Virginia to the south.
The Commonwealth of Pennsylvania sits east of Ohio. The primary interstate / turnpike road I-80 /I-79 runs across the north-middle of both States.
No. Pennsylvania borders one of the Great Lakes: Lake Erie.
Washington borders Idaho to the east and and Oregon also borders Idaho to the east.
Pennsylvania borders Maryland to the south.
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New York borders five states. It borders Pennsylvania, Vermont, Connecticut, New Jersy and Massachussets.