There are
1,070 mi
from Irvine, CA to Hereford, TX
That's the driving distance. It would take 18 hours 44 mins to go from Irvine, California to Hereford, Texas.
The flight distance (direct flight from Irvine, CA to Hereford, TX) is 881.95 mi.
1,070 mi = 1.61 kms