How far is Big Pine Key, FL from Port Saint Lucie, FL?
The driving distance from Big Pine Key, FL to Port Saint Lucie, FL is about 245.9 miles (395.8 km), with a travel time of about 04h 22m by car.
- The straight-line flight distance is about 191.7 miles (308.5 km).
- For a round trip, plan for roughly 08h 45m 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 04h 22m.
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.
Census-designated place in Miami-Dade County, Florida
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Big Pine Key and Port Saint Lucie.
Turn-by-Turn Driving Directions
Step-by-step road directions between Big Pine Key and Port Saint Lucie.
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1
Start on Overseas Highway
9.3 mi · 14 min · Overseas Highway
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2
Continue on New Seven Mile Bridge
68.1 mi · 1 hr 46 min · New Seven Mile Bridge
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3
Continue on Dixie Highway
19.4 mi · 27 min · Dixie Highway
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4
Take the exit slight right toward Miami, Orlando, Florida's Turnpike North
1785 ft · 38 sec
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5
Continue on Homestead Extension of Florida's Turnpike
13.2 mi · 16 min · Homestead Extension of Florida's Turnpike
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6
Keep slight right to continue on Homestead Extension of Florida's Turnpike
3.6 mi · 5 min · Homestead Extension of Florida's Turnpike
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7
Keep slight left to continue on Homestead Extension of Florida's Turnpike
2.5 mi · 3 min · Homestead Extension of Florida's Turnpike
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8
Keep slight right to continue on Homestead Extension of Florida's Turnpike
27.1 mi · 30 min · Homestead Extension of Florida's Turnpike
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9
Keep slight right to continue on Homestead Extension of Florida's Turnpike
1 mi · 1 min · Homestead Extension of Florida's Turnpike
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10
Merge slight left onto Florida's Turnpike
95.2 mi · 1 hr 46 min · Florida's Turnpike
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11
Take the exit slight right toward Port Saint Lucie
1.3 km · 2 min
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12
Continue on Southwest Bayshore Boulevard
147 m · 15 sec · Southwest Bayshore Boulevard
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13
Turn right onto Southwest Port Saint Lucie Boulevard
1.4 km · 2 min · Southwest Port Saint Lucie Boulevard
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14
Turn left onto Southeast Airoso Boulevard
1.6 mi · 3 min · Southeast Airoso Boulevard
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15
Turn left onto Southwest Carter Avenue
66 m · 9 sec · Southwest Carter Avenue
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16
Arrive at your destination
0 m · 1 sec · Southwest Carter Avenue
Car Route Details
A richer read on the saved driving route between Big Pine Key and Port Saint Lucie.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Florida's Turnpike
Merge slight left onto Florida's Turnpike
95.2 mi · 01h 46m
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.
Slight Chance Rain Showers leaving Big Pine Key and Mostly 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 Big Pine Key to Port Saint Lucie?
The road trip is about 245.9 miles (395.8 km) and usually takes 04h 22m 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?
Tamiami is a useful midpoint, sitting about 121.8 miles from Big Pine Key and 124.1 miles from Port Saint Lucie.
How much longer is the road route than the straight-line distance?
The direct path is about 191.7 miles (308.5 km), while the road route adds roughly 54.2 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 8:14 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.00 one way or $72.01 round trip. Estimated CO2 is about 77.1 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Big Pine Key and Mostly Sunny near Port Saint Lucie.
Stop Ideas Near Tamiami
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Basketball Court
Hialeah City Hall
Hialeah Gardens Community Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Tamiami.
Miami Intermodal Center
Hollywood
Fort Lauderdale
Deerfield Beach
Flight Path Map
This map shows the direct air route between Big Pine Key and Port Saint Lucie. Straight-line distance: 191.72 mi (308.54 km).
#1 Big Pine Key
Census designated place
| Population | 4,252 |
| Coordinates | 24.6698700, -81.3539700 |
| 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: 396 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 11m |
| 40 mph (64.37 km/h) | 06h 08m |
| 50 mph (80.47 km/h) | 04h 55m |
| 60 mph (96.56 km/h) | 04h 05m |
| 70 mph (112.65 km/h) | 03h 30m |
| 80 mph (129 km/h) | 03h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $36.00 | $72.01 |
| Mid-grade | $4.60 | $39.89 | $79.79 |
| Premium | $4.90 | $42.50 | $84.99 |
| Diesel | $4.35 | $37.76 | $75.52 |
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 07, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.