There are
832 mi
from Provo, UT to Hereford, TX
That's the driving distance. It would take 16 hours 6 mins to go from Provo, Utah to Hereford, Texas.
The flight distance (direct flight from Provo, UT to Hereford, TX) is 630.05 mi.
832 mi = 1,338.54 kms