There are
2,520 mi
from Lancaster, PA to Twentynine Palms, CA
That's the driving distance. It would take 1 day 21 hours to go from Lancaster, Pennsylvania to Twentynine Palms, California.
The flight distance (direct flight from Lancaster, PA to Twentynine Palms, CA) is 2,209.69 mi.
2,520 mi = 4,054.94 kms