There are
2,745 mi
from Bethlehem, PA to Simi Valley, CA
That's the driving distance. It would take 2 days 1 hour to go from Bethlehem, Pennsylvania to Simi Valley, California.
The flight distance (direct flight from Bethlehem, PA to Simi Valley, CA) is 2,396.62 mi.
2,745 mi = 3.22 kms