There are
2,472 mi
from Simpsonville, SC to Lompoc, CA
That's the driving distance. It would take 1 day 19 hours to go from Simpsonville, South Carolina to Lompoc, California.
The flight distance (direct flight from Simpsonville, SC to Lompoc, CA) is 2,157.07 mi.
2,472 mi = 3,978.03 kms