Miles between St Petersburg, FL and Decatur, AL

There are
640 mi
from St Petersburg, FL to Decatur, AL

That's the driving distance. It would take 12 hours 40 mins to go from St Petersburg, Florida to Decatur, Alabama.

The flight distance (direct flight from St Petersburg, FL to Decatur, AL) is 537.22 mi.

640 mi = 1,030.25 kms