There are
2,741 mi
from Redwood City, CA to St Augustine, FL
That's the driving distance. It would take 2 days 1 hour to go from Redwood City, California to St Augustine, Florida.
The flight distance (direct flight from Redwood City, CA to St Augustine, FL) is 2,390.87 mi.
2,741 mi = 4,410.54 kms