There are
883 mi
from Des Moines, IA to Harker Heights, TX
That's the driving distance. It would take 15 hours 24 mins to go from Des Moines, Iowa to Harker Heights, Texas.
The flight distance (direct flight from Des Moines, IA to Harker Heights, TX) is 760.57 mi.
883 mi = 1,421.42 kms