There are
1,332 mi
from Hereford, TX to Oakley, CA
That's the driving distance. It would take 23 hours 27 mins to go from Hereford, Texas to Oakley, California.
The flight distance (direct flight from Hereford, TX to Oakley, CA) is 1,094.17 mi.
1,332 mi = 2,143.45 kms