There are
1,314 mi
from Santee, CA to Lockhart, TX
That's the driving distance. It would take 22 hours 19 mins to go from Santee, California to Lockhart, Texas.
The flight distance (direct flight from Santee, CA to Lockhart, TX) is 1,155.34 mi.
1,314 mi = 2,115.35 kms