There are
741 mi
from Glendale, AZ to Hereford, TX
That's the driving distance. It would take 12 hours 42 mins to go from Glendale, Arizona to Hereford, Texas.
The flight distance (direct flight from Glendale, AZ to Hereford, TX) is 566.16 mi.
741 mi = 1,193.33 kms