There are
823 mi
from Sunnyvale, CA to Brigham City, UT
That's the driving distance. It would take 14 hours 19 mins to go from Sunnyvale, California to Brigham City, Utah.
The flight distance (direct flight from Sunnyvale, CA to Brigham City, UT) is 605.87 mi.
823 mi = 1,323.97 kms