There are
2,684 mi
from Deerfield Beach, FL to Fountain Valley, CA
That's the driving distance. It would take 1 day 23 hours to go from Deerfield Beach, Florida to Fountain Valley, California.
The flight distance (direct flight from Deerfield Beach, FL to Fountain Valley, CA) is 2,308.13 mi.
2,684 mi = 3.22 kms