Pittsburgh is in southwest Pennsylvania, USA.
Pennsylvania
Ohio to the West and West Virginia to the Southwest.
The Appalachian Mtns.
Pittsburgh is a large formerly industrial city in southwest Pennsylvania. There is also a Pittsburg (no h) in Kansas.
Philadelphia is a city in Pennsylvania unless you are talking about Philadelphia, Mississippi which is 1,108,80 miles southwest of Philadelphia Pennsylvania,
The state you are describing is New Jersey. It is bordered by Pennsylvania to the west, New York to the north, and Delaware to the southwest. New Jersey is known for its diverse geography and significant cultural heritage.
Florida, Louisiana, South Texas, Coastal California, Southwest Arizona
Pittsburgh is in southwest Pennsylvania, USA.
There is no such state. Nebraska has a southwest border with Colorado, but its eastern border is with Iowa, not Ohio. Ohio is north of Kentucky and borders Pennsylvania.
No. Pennsylvania is in the northeast region of the United States. It is southwest of the New England States.
Three states border New Jersey. New York borders the state to the northeast, Pennsylvania to the west, and Delaware to the southwest.