There are
2,734 mi
from Deerfield Beach, FL to Simi Valley, CA
That's the driving distance. It would take 2 days to go from Deerfield Beach, Florida to Simi Valley, California.
The flight distance (direct flight from Deerfield Beach, FL to Simi Valley, CA) is 2,357.25 mi.
2,734 mi = 3.22 kms