There are
1,558 mi
from Sioux City, IA to St Petersburg, FL
That's the driving distance. It would take 1 day 4 hours to go from Sioux City, Iowa to St Petersburg, Florida.
The flight distance (direct flight from Sioux City, IA to St Petersburg, FL) is 1,276.95 mi.
1,558 mi = 1.61 kms