There are
1,032 mi
from Hereford, TX to Plainfield, IN
That's the driving distance. It would take 18 hours 23 mins to go from Hereford, Texas to Plainfield, Indiana.
The flight distance (direct flight from Hereford, TX to Plainfield, IN) is 940.74 mi.
1,032 mi = 1,661.03 kms