There are
1,784 mi
from Fairfield, CA to Harker Heights, TX
That's the driving distance. It would take 1 day 7 hours to go from Fairfield, California to Harker Heights, Texas.
The flight distance (direct flight from Fairfield, CA to Harker Heights, TX) is 1,465.98 mi.
1,784 mi = 1.61 kms