There are
1,347 mi
from Walnut Creek, CA to Hereford, TX
That's the driving distance. It would take 23 hours 34 mins to go from Walnut Creek, California to Hereford, Texas.
The flight distance (direct flight from Walnut Creek, CA to Hereford, TX) is 1,112.73 mi.
1,347 mi = 2,167.86 kms