There are
1,350 mi
from Farmington Hills, MI to Harker Heights, TX
That's the driving distance. It would take 23 hours 55 mins to go from Farmington Hills, Michigan to Harker Heights, Texas.
The flight distance (direct flight from Farmington Hills, MI to Harker Heights, TX) is 1,111.19 mi.
1,350 mi = 1.61 kms