There are
713 mi
from Mission Viejo, CA to Kaysville, UT
That's the driving distance. It would take 12 hours 30 mins to go from Mission Viejo, California to Kaysville, Utah.
The flight distance (direct flight from Mission Viejo, CA to Kaysville, UT) is 602.28 mi.
713 mi = 1,147.89 kms