How far is Port Saint Lucie, FL from South Bay, FL?
The driving distance from Port Saint Lucie, FL to South Bay, FL is about 68.6 miles (110.4 km), with a travel time of about 01h 45m by car.
- The straight-line flight distance is about 49 miles (78.9 km).
- For a round trip, plan for roughly 03h 30m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 45m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Martin County, Florida
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Port Saint Lucie and South Bay.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Saint Lucie and South Bay.
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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
8.6 mi · 9 min · Florida's Turnpike
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8
Take the exit slight right toward FL 714: Stuart
1.1 km · 2 min
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9
Turn right onto Southwest Martin Highway
1399 ft · 38 sec · Southwest Martin Highway
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10
Turn right onto Southwest High Meadow Avenue
2.7 mi · 5 min · Southwest High Meadow Avenue
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11
Take the ramp straight toward I 95 South: West Palm Beach
2709 ft · 1 min
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12
Merge slight left
1.3 km · 54 sec
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13
Take the exit slight right toward FL 76: Stuart, Indiantown
2511 ft · 1 min
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14
Turn right onto Southwest Kanner Highway
25.3 mi · 35 min · Southwest Kanner Highway
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15
Turn right onto Conners Highway
8.4 mi · 12 min · Conners Highway
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16
Turn right onto Everglades Street
1.5 mi · 3 min · Everglades Street
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17
Turn slight left onto North State Market Road
2.3 mi · 4 min · North State Market Road
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18
Turn left onto Belle Glade Road
6.3 mi · 11 min · Belle Glade Road
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19
Continue on Main Street
5.2 mi · 9 min · Main Street
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20
Continue on East Palm Beach Road
1.8 mi · 3 min · East Palm Beach Road
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21
Turn left
24 m · 11 sec
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22
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Port Saint Lucie and South Bay.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Southwest Kanner Highway
Turn right onto Southwest Kanner Highway
25.3 mi · 00h 35m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Port Saint Lucie and Sunny near South Bay.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Saint Lucie to South Bay?
The road trip is about 68.6 miles (110.4 km) and usually takes 01h 45m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Indiantown is a useful midpoint, sitting about 34.3 miles from Port Saint Lucie and 34.2 miles from South Bay.
How much longer is the road route than the straight-line distance?
The direct path is about 49 miles (78.9 km), while the road route adds roughly 19.6 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 3:00 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.04 one way or $20.08 round trip. Estimated CO2 is about 21.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Port Saint Lucie and Sunny near South Bay.
Stop Ideas Near Indiantown
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 Indiantown.
Okeechobee
West Palm Beach
Delray Beach
Deerfield Beach
Flight Path Map
This map shows the direct air route between Port Saint Lucie and South Bay. Straight-line distance: 49.01 mi (78.87 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 South Bay
City in Florida, United States
| Population | 5,189 |
| Coordinates | 26.6639600, -80.7161700 |
| Altitude | 5 |
| Country | United States |
End: South Bay (-80.71617, 26.66396)
Estimated Travel Time
Distance: 110 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 17m |
| 40 mph (64.37 km/h) | 01h 42m |
| 50 mph (80.47 km/h) | 01h 22m |
| 60 mph (96.56 km/h) | 01h 08m |
| 70 mph (112.65 km/h) | 00h 58m |
| 80 mph (129 km/h) | 00h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $10.04 | $20.08 |
| Mid-grade | $4.60 | $11.12 | $22.24 |
| Premium | $4.90 | $11.85 | $23.70 |
| Diesel | $4.35 | $10.53 | $21.05 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.