There are
2,137 mi
from Carol Stream, IL to Lompoc, CA
That's the driving distance. It would take 1 day 13 hours to go from Carol Stream, Illinois to Lompoc, California.
The flight distance (direct flight from Carol Stream, IL to Lompoc, CA) is 1,811.84 mi.
2,137 mi = 3,438.77 kms