There are
1,415 mi
from Las Cruces, NM to Romeoville, IL
That's the driving distance. It would take 1 day 2 hours to go from Las Cruces, New Mexico to Romeoville, Illinois.
The flight distance (direct flight from Las Cruces, NM to Romeoville, IL) is 1,211.56 mi.
1,415 mi = 1.61 kms