There are
1,966 mi
from Temecula, CA to Sycamore, IL
That's the driving distance. It would take 1 day 10 hours to go from Temecula, California to Sycamore, Illinois.
The flight distance (direct flight from Temecula, CA to Sycamore, IL) is 1,652.71 mi.
1,966 mi = 1.61 kms