There are
999 mi
from Mission Viejo, CA to Tualatin, OR
That's the driving distance. It would take 18 hours 47 mins to go from Mission Viejo, California to Tualatin, Oregon.
The flight distance (direct flight from Mission Viejo, CA to Tualatin, OR) is 857.80 mi.
999 mi = 1,608.34 kms