There are
1,585 mi
from St Petersburg, FL to Mendota Heights, MN
That's the driving distance. It would take 1 day 5 hours to go from St Petersburg, Florida to Mendota Heights, Minnesota.
The flight distance (direct flight from St Petersburg, FL to Mendota Heights, MN) is 1,316.10 mi.
1,585 mi = 2,550.88 kms