There are
2,789 mi
from Walnut Creek, CA to Deltona, FL
That's the driving distance. It would take 2 days 2 hours to go from Walnut Creek, California to Deltona, Florida.
The flight distance (direct flight from Walnut Creek, CA to Deltona, FL) is 2,413.75 mi.
2,789 mi = 4,489.21 kms