There are
2,438 mi
from St Clair Shores, MI to Lompoc, CA
That's the driving distance. It would take 1 day 19 hours to go from St Clair Shores, Michigan to Lompoc, California.
The flight distance (direct flight from St Clair Shores, MI to Lompoc, CA) is 2,082.30 mi.
2,438 mi = 3,922.96 kms