There are
1,430 mi
from Las Cruces, NM to St Charles, IL
That's the driving distance. It would take 1 day 2 hours to go from Las Cruces, New Mexico to St Charles, Illinois.
The flight distance (direct flight from Las Cruces, NM to St Charles, IL) is 1,209.76 mi.
1,430 mi = 1.61 kms