There are
780 mi
from Redwood City, CA to Saratoga Springs, UT
That's the driving distance. It would take 13 hours 48 mins to go from Redwood City, California to Saratoga Springs, Utah.
The flight distance (direct flight from Redwood City, CA to Saratoga Springs, UT) is 588.82 mi.
780 mi = 1,254.92 kms