There are
907 mi
from Amarillo, TX to New Ulm, MN
That's the driving distance. It would take 17 hours 30 mins to go from Amarillo, Texas to New Ulm, Minnesota.
The flight distance (direct flight from Amarillo, TX to New Ulm, MN) is 739.50 mi.
907 mi = 1,459.32 kms