There are
1,777 mi
from Ontario, CA to New Ulm, MN
That's the driving distance. It would take 1 day 7 hours to go from Ontario, California to New Ulm, Minnesota.
The flight distance (direct flight from Ontario, CA to New Ulm, MN) is 1,422.43 mi.
1,777 mi = 2,859.19 kms