There are
1,207 mi
from St Petersburg, FL to Algonquin, IL
That's the driving distance. It would take 23 hours 1 min to go from St Petersburg, Florida to Algonquin, Illinois.
The flight distance (direct flight from St Petersburg, FL to Algonquin, IL) is 1,044.04 mi.
1,207 mi = 1.61 kms