There are
2,796 mi
from Redwood City, CA to Sanford, FL
That's the driving distance. It would take 2 days 2 hours to go from Redwood City, California to Sanford, Florida.
The flight distance (direct flight from Redwood City, CA to Sanford, FL) is 2,424.45 mi.
2,796 mi = 4,500.34 kms