There are
1,559 mi
from Denison, TX to Lompoc, CA
That's the driving distance. It would take 1 day 3 hours to go from Denison, Texas to Lompoc, California.
The flight distance (direct flight from Denison, TX to Lompoc, CA) is 1,365.20 mi.
1,559 mi = 2,508.61 kms