There are
1,968 mi
from Mission Viejo, CA to Sycamore, IL
That's the driving distance. It would take 1 day 10 hours to go from Mission Viejo, California to Sycamore, Illinois.
The flight distance (direct flight from Mission Viejo, CA to Sycamore, IL) is 1,675.57 mi.
1,968 mi = 1.61 kms