There are
1,033 mi
from Hereford, TX to Upland, CA
That's the driving distance. It would take 17 hours 42 mins to go from Hereford, Texas to Upland, California.
The flight distance (direct flight from Hereford, TX to Upland, CA) is 869.39 mi.
1,033 mi = 1,662.11 kms