There are
2,720 mi
from Simi Valley, CA to Norristown, PA
That's the driving distance. It would take 2 days 1 hour to go from Simi Valley, California to Norristown, Pennsylvania.
The flight distance (direct flight from Simi Valley, CA to Norristown, PA) is 2,400.69 mi.
2,720 mi = 3.22 kms