There are
2,108 mi
from Decatur, IL to Lompoc, CA
That's the driving distance. It would take 1 day 13 hours to go from Decatur, Illinois to Lompoc, California.
The flight distance (direct flight from Decatur, IL to Lompoc, CA) is 1,760.16 mi.
2,108 mi = 3.22 kms