Dulles to Philadelphia via Washington, DC
starting from Dulles →
27 minutes → Reston
20 minutes → Vienna
16 minutes → Falls Church
15 minutes → Arlington
7 minutes → Georgetown
5 minutes → Washington, DC
57 minutes → Baltimore
45 minutes → Aberdeen
45 minutes → Wilmington
39 minutes → Reading Terminal Market
5 minutes → Philadelphia
4.5 hours of driving