There are
2,045 mi
from Roseville, MN to Lompoc, CA
That's the driving distance. It would take 1 day 12 hours to go from Roseville, Minnesota to Lompoc, California.
The flight distance (direct flight from Roseville, MN to Lompoc, CA) is 1,605.57 mi.
2,045 mi = 3,290.44 kms