There are
2,003 mi
from Temecula, CA to Lombard, IL
That's the driving distance. It would take 1 day 11 hours to go from Temecula, California to Lombard, Illinois.
The flight distance (direct flight from Temecula, CA to Lombard, IL) is 1,685.54 mi.
2,003 mi = 3.22 kms