There are
1,090 mi
from Hereford, TX to Dyer, IN
That's the driving distance. It would take 19 hours 34 mins to go from Hereford, Texas to Dyer, Indiana.
The flight distance (direct flight from Hereford, TX to Dyer, IN) is 928.82 mi.
1,090 mi = 1,754.60 kms