There are
1,036 mi
from Joliet, IL to Harker Heights, TX
That's the driving distance. It would take 19 hours 5 mins to go from Joliet, Illinois to Harker Heights, Texas.
The flight distance (direct flight from Joliet, IL to Harker Heights, TX) is 895.88 mi.
1,036 mi = 1.61 kms