There are
1,141 mi
from Las Cruces, NM to Arnold, MO
That's the driving distance. It would take 21 hours 1 min to go from Las Cruces, New Mexico to Arnold, Missouri.
The flight distance (direct flight from Las Cruces, NM to Arnold, MO) is 1,013.22 mi.
1,141 mi = 1.61 kms