There are
1,743 mi
from Antioch, CA to Harker Heights, TX
That's the driving distance. It would take 1 day 6 hours to go from Antioch, California to Harker Heights, Texas.
The flight distance (direct flight from Antioch, CA to Harker Heights, TX) is 1,449.99 mi.
1,743 mi = 1.61 kms