To reach Philadelphia from Seaside, you must fly from Portland International Airport (PDX) to Philadelphia International Airport (PHL). The distance is approximately 4,500 km. Air travel is the only practical method for this cross-country journey. You will typically connect through a hub like Charlotte or Chicago. The trip takes you across the entire width of the country, spanning three time zones.
Total Distance: 4,500 km driving, 4,000 km air distance.
PHL is well-connected to the city center via the SEPTA train.
Spring and Autumn offer the most comfortable temperatures for walking the historic city center.