There are
2,327 mi
from Dayton, OH to Lompoc, CA
That's the driving distance. It would take 1 day 17 hours to go from Dayton, Ohio to Lompoc, California.
The flight distance (direct flight from Dayton, OH to Lompoc, CA) is 2,012.97 mi.
2,327 mi = 3.22 kms