There are
840 mi
from Las Cruces, NM to Kaysville, UT
That's the driving distance. It would take 16 hours 6 mins to go from Las Cruces, New Mexico to Kaysville, Utah.
The flight distance (direct flight from Las Cruces, NM to Kaysville, UT) is 666.63 mi.
840 mi = 1,351.88 kms