There are
2,545 mi
from Mt Holly, NC to Lompoc, CA
That's the driving distance. It would take 1 day 21 hours to go from Mt Holly, North Carolina to Lompoc, California.
The flight distance (direct flight from Mt Holly, NC to Lompoc, CA) is 2,218.71 mi.
2,545 mi = 4,096.24 kms