There are
3,047 mi
from Simi Valley, CA to Newburyport, MA
That's the driving distance. It would take 2 days 7 hours to go from Simi Valley, California to Newburyport, Massachusetts.
The flight distance (direct flight from Simi Valley, CA to Newburyport, MA) is 2,618.68 mi.
3,047 mi = 4.83 kms