There are
1,503 mi
from Dayton, OH to Las Cruces, NM
That's the driving distance. It would take 1 day 3 hours to go from Dayton, Ohio to Las Cruces, New Mexico.
The flight distance (direct flight from Dayton, OH to Las Cruces, NM) is 1,357.06 mi.
1,503 mi = 1.61 kms