There are
2,787 mi
from Redwood City, CA to Deltona, FL
That's the driving distance. It would take 2 days 2 hours to go from Redwood City, California to Deltona, Florida.
The flight distance (direct flight from Redwood City, CA to Deltona, FL) is 2,421.96 mi.
2,787 mi = 4,486.02 kms