There are
687 mi
from Salt Lake City, UT to Irvine, CA
That's the driving distance. It would take 12 hours 3 mins to go from Salt Lake City, Utah to Irvine, California.
The flight distance (direct flight from Salt Lake City, UT to Irvine, CA) is 586.69 mi.
687 mi = 1,105.58 kms