85 miles taking this route:
79.88 miles
The driving distance is about 95 miles.
If you are asking about Harrisburg PA, (near York PA), you are looking at 80 miles or so of distance.
The driving distance from Baltimore to Philadelphia is 99.7 road miles.
79 Miles - 127 Km
The distance between these two places is 252 miles. This distance is only approximate. This is not exact distance.
== ==
Baltimore, MD
111 miles
There is train service from Amtrak between Pittsburg, PA and Baltimore, MD.
Rosedale, MD, near the end of the tunnel in Baltimore.
I think it's about 4 hours