There are
1,036 mi
from Hereford, TX to Avon, IN
That's the driving distance. It would take 18 hours 29 mins to go from Hereford, Texas to Avon, Indiana.
The flight distance (direct flight from Hereford, TX to Avon, IN) is 941.85 mi.
1,036 mi = 1,666.89 kms