There are
1,380 mi
from Whittier, CA to Harker Heights, TX
That's the driving distance. It would take 1 day to go from Whittier, California to Harker Heights, Texas.
The flight distance (direct flight from Whittier, CA to Harker Heights, TX) is 1,201.46 mi.
1,380 mi = 1.61 kms