There are
824 mi
from Nampa, ID to Twentynine Palms, CA
That's the driving distance. It would take 15 hours 55 mins to go from Nampa, Idaho to Twentynine Palms, California.
The flight distance (direct flight from Nampa, ID to Twentynine Palms, CA) is 650.40 mi.
824 mi = 1,325.45 kms