Miles between Port St Lucie, FL and Fort Walton Beach, FL

There are
531 mi
from Port St Lucie, FL to Fort Walton Beach, FL

That's the driving distance. It would take 9 hours 45 mins to go from Port St Lucie, Florida to Fort Walton Beach, Florida.

The flight distance (direct flight from Port St Lucie, FL to Fort Walton Beach, FL) is 436.71 mi.

531 mi = 854.58 kms