How far is Fort Walton Beach, FL from Port Saint Lucie, FL?
The driving distance from Fort Walton Beach, FL to Port Saint Lucie, FL is about 536.1 miles (862.8 km), with a travel time of about 07h 46m by car.
- The straight-line flight distance is about 436.3 miles (702.2 km).
- For a round trip, plan for roughly 15h 33m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 07h 46m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
County seat of Columbia County, Florida, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Fort Walton Beach and Port Saint Lucie.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fort Walton Beach and Port Saint Lucie.
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1
Start on Hummingbird Avenue Northwest
47 m · 9 sec · Hummingbird Avenue Northwest
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2
Turn right onto Williams Street Northwest
1153 ft · 56 sec · Williams Street Northwest
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3
At the end of the road, turn left onto Beal Parkway Northwest
806 ft · 28 sec · Beal Parkway Northwest
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4
Turn sharp right onto Yacht Club Drive
1687 ft · 41 sec · Yacht Club Drive
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5
Turn left onto Eglin Parkway Northeast
7 mi · 12 min · Eglin Parkway Northeast
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6
Continue on Eglin Parkway
2.9 mi · 4 min · Eglin Parkway
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7
Continue on Government Avenue
1.2 km · 1 min · Government Avenue
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8
Turn left onto West John Sims Parkway
1.4 mi · 3 min · West John Sims Parkway
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9
Turn left onto North Partin Drive
17.4 mi · 23 min · North Partin Drive
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10
Take the ramp slight right toward I 10 East: Tallahassee
2289 ft · 56 sec
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11
Merge slight left
226.1 mi · 4 hr 2 min
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12
Take the exit slight right toward I-75 South: Tampa
1959 ft · 37 sec
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13
Merge slight left
107.2 mi · 1 hr 55 min
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14
Take the exit slight left toward Florida's Turnpike South, Orlando
165.2 mi · 2 hr 57 min · Florida's Turnpike
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15
Take the exit slight right toward Port Saint Lucie
1 mi · 3 min
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16
Continue on Southwest Bayshore Boulevard
147 m · 15 sec · Southwest Bayshore Boulevard
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17
Turn right onto Southwest Port Saint Lucie Boulevard
1.4 km · 2 min · Southwest Port Saint Lucie Boulevard
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18
Turn left onto Southeast Airoso Boulevard
1.6 mi · 3 min · Southeast Airoso Boulevard
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19
Turn left onto Southwest Carter Avenue
66 m · 9 sec · Southwest Carter Avenue
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20
Arrive at your destination
0 m · 1 sec · Southwest Carter Avenue
Car Route Details
A richer read on the saved driving route between Fort Walton Beach and Port Saint Lucie.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 10 East
Merge slight left
226 mi · 04h 02m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Sunny leaving Fort Walton Beach and Sunny near Port Saint Lucie.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fort Walton Beach to Port Saint Lucie?
The road trip is about 536.1 miles (862.8 km) and usually takes 07h 46m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Lake City is a useful midpoint, sitting about 266.6 miles from Fort Walton Beach and 269.6 miles from Port Saint Lucie.
How much longer is the road route than the straight-line distance?
The direct path is about 436.3 miles (702.2 km), while the road route adds roughly 99.8 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $78.48 one way or $156.96 round trip. Estimated CO2 is about 168.1 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Fort Walton Beach and Port Saint Lucie, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Fort Walton Beach and Sunny near Port Saint Lucie.
Stop Ideas Near Lake City
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lake City.
Waldo, Florida
Gainesville, Florida
Jacksonville
Palatka
Flight Path Map
This map shows the direct air route between Fort Walton Beach and Port Saint Lucie. Straight-line distance: 436.32 mi (702.19 km).
#1 Fort Walton Beach
City in Okaloosa County, Florida, United States
| Population | 22,396 |
| Coordinates | 30.4205900, -86.6170700 |
| Altitude | 2 |
| Country | United States |
#2 Port Saint Lucie
The second most populous city in St.
| Population | 209,715 |
| Coordinates | 27.2939300, -80.3503300 |
| Altitude | 5 |
| Country | United States |
End: Southwest Carter Avenue (-80.350328, 27.294381)
Estimated Travel Time
Distance: 863 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 17h 51m |
| 40 mph (64.37 km/h) | 13h 24m |
| 50 mph (80.47 km/h) | 10h 43m |
| 60 mph (96.56 km/h) | 08h 56m |
| 70 mph (112.65 km/h) | 07h 39m |
| 80 mph (129 km/h) | 06h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $78.48 | $156.96 |
| Mid-grade | $4.60 | $86.96 | $173.91 |
| Premium | $4.90 | $92.63 | $185.26 |
| Diesel | $4.35 | $82.30 | $164.60 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Florida · Apr 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.