There are
2,775 mi
from Deltona, FL to Oakley, CA
That's the driving distance. It would take 2 days 2 hours to go from Deltona, Florida to Oakley, California.
The flight distance (direct flight from Deltona, FL to Oakley, CA) is 2,394.84 mi.
2,775 mi = 4,465.19 kms