There are
1,081 mi
from Elgin, IL to Harker Heights, TX
That's the driving distance. It would take 20 hours 2 mins to go from Elgin, Illinois to Harker Heights, Texas.
The flight distance (direct flight from Elgin, IL to Harker Heights, TX) is 917.22 mi.
1,081 mi = 1.61 kms