There are
1,901 mi
from San Mateo, CA to New Ulm, MN
That's the driving distance. It would take 1 day 9 hours to go from San Mateo, California to New Ulm, Minnesota.
The flight distance (direct flight from San Mateo, CA to New Ulm, MN) is 1,518.89 mi.
1,901 mi = 1.61 kms