There are
1,588 mi
from St Petersburg, FL to New Ulm, MN
That's the driving distance. It would take 1 day 5 hours to go from St Petersburg, Florida to New Ulm, Minnesota.
The flight distance (direct flight from St Petersburg, FL to New Ulm, MN) is 1,316.73 mi.
1,588 mi = 1.61 kms