There are
1,227 mi
from Las Cruces, NM to Mt Vernon, IL
That's the driving distance. It would take 22 hours 38 mins to go from Las Cruces, New Mexico to Mt Vernon, Illinois.
The flight distance (direct flight from Las Cruces, NM to Mt Vernon, IL) is 1,086.53 mi.
1,227 mi = 1.61 kms