There are
1,378 mi
from Irvine, CA to Harker Heights, TX
That's the driving distance. It would take 23 hours 58 mins to go from Irvine, California to Harker Heights, Texas.
The flight distance (direct flight from Irvine, CA to Harker Heights, TX) is 1,186.56 mi.
1,378 mi = 1.61 kms