There are
1,027 mi
from Rialto, CA to Hereford, TX
That's the driving distance. It would take 17 hours 53 mins to go from Rialto, California to Hereford, Texas.
The flight distance (direct flight from Rialto, CA to Hereford, TX) is 853.54 mi.
1,027 mi = 1.61 kms