The drive from Grottoes to Philadelphia is a trip through the heart of the Mid-Atlantic region. You will primarily use US-33 E and I-95 N, covering the distance in about four hours. This route is popular for those visiting the city for business or tourism. You will pass through the scenic Blue Ridge Mountains, the bustling suburbs of the Washington, D.C. area, and the historic cities of Maryland.
Total Distance: 380 km driving distance; 330 km straight-line air distance.
Expect heavy traffic near Washington, D.C. and Philadelphia.
Spring and Fall are ideal for visiting Philadelphia to enjoy the mild weather.