There are
1,255 mi
from Salt Lake City, UT to Harker Heights, TX
That's the driving distance. It would take 1 day to go from Salt Lake City, Utah to Harker Heights, Texas.
The flight distance (direct flight from Salt Lake City, UT to Harker Heights, TX) is 1,037.36 mi.
1,255 mi = 1.61 kms