There are
1,399 mi
from Gardena, CA to Harker Heights, TX
That's the driving distance. It would take 1 day to go from Gardena, California to Harker Heights, Texas.
The flight distance (direct flight from Gardena, CA to Harker Heights, TX) is 1,216.85 mi.
1,399 mi = 2,251.71 kms