There are
1,593 mi
from Boise, ID to Harker Heights, TX
That's the driving distance. It would take 1 day 5 hours to go from Boise, Idaho to Harker Heights, Texas.
The flight distance (direct flight from Boise, ID to Harker Heights, TX) is 1,332.67 mi.
1,593 mi = 1.61 kms