The drive from Port Saint Lucie, FL to Niceville, FL covers 520.4 miles and takes about 9h 26m behind the wheel.
It usually feels better as a 2-day road trip than as one long push.
The route leans on I 10, Florida's Turnpike, I 75 for much of the mileage,
and the overall profile is long-distance drive.
The longest uninterrupted segment is about 226.4 miles on I 10.
At current regular gas prices, budget about $86.93 one way before food or hotel costs.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
260.2 miles from Port Saint Lucie, FL
A natural place for your longest stop of the day
, about 4h 41m into the drive
.