There are
2,049 mi
from Macomb, IL to Lompoc, CA
That's the driving distance. It would take 1 day 12 hours to go from Macomb, Illinois to Lompoc, California.
The flight distance (direct flight from Macomb, IL to Lompoc, CA) is 1,671.86 mi.
2,049 mi = 3,297.99 kms