There are
800 mi
from Simi Valley, CA to Las Cruces, NM
That's the driving distance. It would take 14 hours 10 mins to go from Simi Valley, California to Las Cruces, New Mexico.
The flight distance (direct flight from Simi Valley, CA to Las Cruces, NM) is 706.51 mi.
800 mi = 1,287.54 kms