The drive from Johnson City to Philadelphia covers about 900 kilometers and takes roughly 10 hours. You will head north on I-81, then transition to I-76 East (the Pennsylvania Turnpike). This route takes you through the scenic Appalachian mountains and the historic heart of Pennsylvania. It is a straightforward drive, though the Turnpike has significant tolls.
Total Distance: Driving distance 900 km; Air distance 750 km.
The Pennsylvania Turnpike is a toll road; use E-ZPass for convenience.
Spring and Autumn for pleasant weather and historical site visits.