How far is Port Saint Lucie, FL from Big Coppitt Key, FL?
The driving distance from Port Saint Lucie, FL to Big Coppitt Key, FL is about 264 miles (424.9 km), with a travel time of about 05h 48m by car.
- The straight-line flight distance is about 203.4 miles (327.3 km).
- For a round trip, plan for roughly 11h 37m 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 05h 48m.
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.
Mostly Sunny
Mostly Clear
Driving Route Map
The map below follows the saved road route between Port Saint Lucie and Big Coppitt Key.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Saint Lucie and Big Coppitt Key.
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1
Start on Southwest Carter Avenue
66 m · 11 sec · Southwest Carter Avenue
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2
Turn right onto Southeast Airoso Boulevard
1.6 mi · 3 min · Southeast Airoso Boulevard
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3
Turn right onto Southwest Port Saint Lucie Boulevard
1.3 km · 1 min · Southwest Port Saint Lucie Boulevard
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4
Turn left onto Southwest Bayshore Boulevard
560 ft · 22 sec · Southwest Bayshore Boulevard
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5
Take the ramp straight toward Florida's Turnpike Toll
2787 ft · 1 min
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6
Keep slight left to continue on Miami, Florida's Turnpike South
2780 ft · 1 min
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7
Merge slight left onto Florida's Turnpike
95.5 mi · 1 hr 46 min · Florida's Turnpike
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8
Take the exit slight right toward Florida's Turnpike Toll South, Homestead
1197 ft · 20 sec · Homestead Extension of Florida's Turnpike
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9
Keep slight left to continue on Homestead Extension of Florida's Turnpike
46.9 mi · 54 min · Homestead Extension of Florida's Turnpike
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10
Keep slight left
2930 ft · 1 min
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11
Merge slight left onto Dixie Highway
19.2 mi · 27 min · Dixie Highway
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12
Continue on Overseas Highway
97.9 mi · 2 hr 33 min · Overseas Highway
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13
Turn right onto 1st Street
79 m · 17 sec · 1st Street
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14
Turn left onto Avenue F
66 m · 10 sec · Avenue F
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15
Arrive at your destination
0 m · 1 sec · Avenue F
Car Route Details
A richer read on the saved driving route between Port Saint Lucie and Big Coppitt Key.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Overseas Highway
Continue on Overseas Highway
97.9 mi · 02h 33m
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.
Mostly Sunny leaving Port Saint Lucie and Mostly Clear near Big Coppitt Key.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Saint Lucie to Big Coppitt Key?
The road trip is about 264 miles (424.9 km) and usually takes 05h 48m 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?
South Miami Heights is a useful midpoint, sitting about 132.2 miles from Port Saint Lucie and 131.8 miles from Big Coppitt Key.
How much longer is the road route than the straight-line distance?
The direct path is about 203.4 miles (327.3 km), while the road route adds roughly 60.6 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 5:22 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $38.66 one way or $77.32 round trip. Estimated CO2 is about 82.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Port Saint Lucie and Mostly Clear near Big Coppitt Key.
Stop Ideas Near South Miami Heights
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Bistro & Martini Bar
Historic Homestead Town Hall Museum
West Miami City Hall
Homestead Building & Zoning
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to South Miami Heights.
Miami Intermodal Center
Hollywood
Fort Lauderdale
Deerfield Beach
Flight Path Map
This map shows the direct air route between Port Saint Lucie and Big Coppitt Key. Straight-line distance: 203.36 mi (327.27 km).
#1 Port Saint Lucie
The second most populous city in St.
| Population | 209,715 |
| Coordinates | 27.2939300, -80.3503300 |
| Altitude | 5 |
| Country | United States |
#2 Big Coppitt Key
Census designated place
| Population | 2,458 |
| Coordinates | 24.5965300, -81.6600900 |
| Altitude | 1 |
| Country | United States |
End: Big Coppitt Key (-81.66009, 24.59653)
Estimated Travel Time
Distance: 425 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 47m |
| 40 mph (64.37 km/h) | 06h 36m |
| 50 mph (80.47 km/h) | 05h 16m |
| 60 mph (96.56 km/h) | 04h 24m |
| 70 mph (112.65 km/h) | 03h 46m |
| 80 mph (129 km/h) | 03h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $38.66 | $77.32 |
| Mid-grade | $4.60 | $42.83 | $85.67 |
| Premium | $4.90 | $45.63 | $91.26 |
| Diesel | $4.35 | $40.54 | $81.08 |
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.