There are
1,427 mi
from Las Cruces, NM to Westmont, IL
That's the driving distance. It would take 1 day 2 hours to go from Las Cruces, New Mexico to Westmont, Illinois.
The flight distance (direct flight from Las Cruces, NM to Westmont, IL) is 1,221.36 mi.
1,427 mi = 1.61 kms