There are
2,508 mi
from Simi Valley, CA to Jamestown, NY
That's the driving distance. It would take 1 day 20 hours to go from Simi Valley, California to Jamestown, New York.
The flight distance (direct flight from Simi Valley, CA to Jamestown, NY) is 2,193.87 mi.
2,508 mi = 3.22 kms