How far is Longboat Key, FL from Port Saint Lucie, FL?
The driving distance from Longboat Key, FL to Port Saint Lucie, FL is about 165.3 miles (266 km), with a travel time of about 03h 19m by car.
- The straight-line flight distance is about 141.9 miles (228.4 km).
- For a round trip, plan for roughly 06h 39m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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 03h 19m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
City in United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Slight Chance Showers And Thunderstorms
Mostly Cloudy then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Longboat Key and Port Saint Lucie.
Turn-by-Turn Driving Directions
Step-by-step road directions between Longboat Key and Port Saint Lucie.
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1
Start on Gulf of Mexico Drive
5.8 mi · 10 min · Gulf of Mexico Drive
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2
Continue on South Gulf of Mexico Drive
1.5 mi · 3 min · South Gulf of Mexico Drive
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3
Continue on John Ringling Parkway
1.3 km · 2 min · John Ringling Parkway
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4
Continue on Boulevard of the Presidents
2353 ft · 1 min · Boulevard of the Presidents
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5
Enter the roundabout and take exit 4 toward Saint Armands Circle
737 ft · 25 sec · John Ringling Boulevard
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6
Exit the rotary onto John Ringling Boulevard
2.3 mi · 5 min · John Ringling Boulevard
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7
Enter the roundabout and take exit 3 toward Gulfstream Avenue Roundabout
91 m · 10 sec · Tamiami Trail
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8
Exit the rotary onto Tamiami Trail
981 ft · 26 sec · Tamiami Trail
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9
Turn right onto Fruitville Road
6 mi · 11 min · Fruitville Road
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10
Take the ramp slight right toward I 75 South: Naples
2417 ft · 59 sec
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11
Merge slight left
3.8 mi · 4 min
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12
Take the exit slight right toward FL 72: Siesta Key, Arcadia
2533 ft · 1 min
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13
Keep slight left to continue on FL 72 East
122 m · 12 sec
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14
Turn straight onto Clark Road
1.8 mi · 3 min · Clark Road
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15
Enter the roundabout and take exit 2 toward Clark Road
30 m · 2 sec · Clark Road
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16
Exit the roundabout onto Clark Road
156 m · 10 sec · Clark Road
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17
Continue on State Road 72
1.3 mi · 2 min · State Road 72
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18
Enter the roundabout and take exit 2 toward State Road 72
26 m · 2 sec · State Road 72
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19
Exit the roundabout onto State Road 72
33.6 mi · 44 min · State Road 72
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20
At the end of the road, turn right
1.1 mi · 2 min
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21
Turn straight
89.8 mi · 1 hr 57 min
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22
Turn right onto West Midway Road
4.4 mi · 8 min · West Midway Road
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23
Take the ramp slight right toward I 95 South: West Palm Beach
2661 ft · 1 min
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24
Merge slight left
4.9 mi · 5 min
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25
Take the exit slight right toward Crosstown Parkway
1872 ft · 49 sec
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26
Turn left onto Crosstown Parkway
4.3 mi · 8 min · Crosstown Parkway
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27
Turn right onto Southeast Airoso Boulevard
916 ft · 21 sec · Southeast Airoso Boulevard
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28
Turn right onto Southwest Carter Avenue
66 m · 9 sec · Southwest Carter Avenue
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29
Arrive at your destination
0 m · 1 sec · Southwest Carter Avenue
Car Route Details
A richer read on the saved driving route between Longboat Key and Port Saint Lucie.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Longest stretch
Turn straight
89.8 mi · 01h 57m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Partly Sunny then Slight Chance Showers And Thunderstorms leaving Longboat Key and Mostly Cloudy then Chance Showers And Thunderstorms near Port Saint Lucie.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Longboat Key to Port Saint Lucie?
The road trip is about 165.3 miles (266 km) and usually takes 03h 19m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Placid Lakes is a useful midpoint, sitting about 82.1 miles from Longboat Key and 83.1 miles from Port Saint Lucie.
How much longer is the road route than the straight-line distance?
The direct path is about 141.9 miles (228.4 km), while the road route adds roughly 23.4 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 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 10:20 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.18 one way or $48.37 round trip. Estimated CO2 is about 51.8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around Longboat Key and Mostly Cloudy then Chance Showers And Thunderstorms near Port Saint Lucie.
Stop Ideas Near Placid Lakes
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 Placid Lakes.
Sebring
Okeechobee
Port Charlotte, Florida
Fort Myers, Florida
Flight Path Map
This map shows the direct air route between Longboat Key and Port Saint Lucie. Straight-line distance: 141.91 mi (228.39 km).
#1 Longboat Key
Town in Florida
| Population | 7,303 |
| Coordinates | 27.4125400, -82.6589900 |
| Altitude | 1 |
| 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: 266 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 30m |
| 40 mph (64.37 km/h) | 04h 07m |
| 50 mph (80.47 km/h) | 03h 18m |
| 60 mph (96.56 km/h) | 02h 45m |
| 70 mph (112.65 km/h) | 02h 21m |
| 80 mph (129 km/h) | 02h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $24.18 | $48.37 |
| Mid-grade | $4.60 | $26.79 | $53.59 |
| Premium | $4.90 | $28.54 | $57.09 |
| Diesel | $4.35 | $25.36 | $50.72 |
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 · May 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.