Miles between St Petersburg, FL and Key Biscayne, FL

There are
273 mi
from St Petersburg, FL to Key Biscayne, FL

That's the driving distance. It would take 5 hours 10 mins to go from St Petersburg, Florida to Key Biscayne, Florida.

The flight distance (direct flight from St Petersburg, FL to Key Biscayne, FL) is 209.77 mi.

273 mi = 439.30 kms