There are
2,713 mi
from Simi Valley, CA to Phoenixville, PA
That's the driving distance. It would take 2 days to go from Simi Valley, California to Phoenixville, Pennsylvania.
The flight distance (direct flight from Simi Valley, CA to Phoenixville, PA) is 2,391.42 mi.
2,713 mi = 3.22 kms