How far is Port Saint Lucie, FL from Marathon, FL?
The driving distance from Port Saint Lucie, FL to Marathon, FL is about 225.2 miles (362.5 km), with a travel time of about 04h 48m by car.
- The straight-line flight distance is about 184.1 miles (296.3 km).
- For a round trip, plan for roughly 09h 36m 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 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.
City in Miami-Dade County, Florida, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Port Saint Lucie and Marathon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Saint Lucie and Marathon.
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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
59.1 mi · 1 hr 32 min · Overseas Highway
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13
Turn right onto 39th Street Gulf
546 ft · 30 sec · 39th Street Gulf
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14
Turn left onto Louisa Street
121 m · 17 sec · Louisa Street
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15
Arrive at your destination
0 m · 1 sec · Louisa Street
Car Route Details
A richer read on the saved driving route between Port Saint Lucie and Marathon.
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
95.5 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.
Mostly Cloudy then Chance Showers And Thunderstorms leaving Port Saint Lucie and Slight Chance Showers And Thunderstorms near Marathon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Saint Lucie to Marathon?
The road trip is about 225.2 miles (362.5 km) and usually takes 04h 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?
Hialeah Gardens is a useful midpoint, sitting about 112.8 miles from Port Saint Lucie and 112.4 miles from Marathon.
How much longer is the road route than the straight-line distance?
The direct path is about 184.1 miles (296.3 km), while the road route adds roughly 41.1 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 7:24 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.98 one way or $65.95 round trip. Estimated CO2 is about 70.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Showers And Thunderstorms around Port Saint Lucie and Slight Chance Showers And Thunderstorms near Marathon.
Stop Ideas Near Hialeah Gardens
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Basketball Court
Miramar Town Center
Juana’s Latin Sports Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hialeah Gardens.
Miami Intermodal Center
Hollywood
Fort Lauderdale
Deerfield Beach
Flight Path Map
This map shows the direct air route between Port Saint Lucie and Marathon. Straight-line distance: 184.1 mi (296.28 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 Marathon
City in Monroe County, Florida, United States of America
| Population | 8,984 |
| Coordinates | 24.7137500, -81.0903500 |
| Altitude | 1 |
| Country | United States |
End: Marathon (-81.09035, 24.71375)
Estimated Travel Time
Distance: 363 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 30m |
| 40 mph (64.37 km/h) | 05h 37m |
| 50 mph (80.47 km/h) | 04h 30m |
| 60 mph (96.56 km/h) | 03h 45m |
| 70 mph (112.65 km/h) | 03h 13m |
| 80 mph (129 km/h) | 02h 48m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $32.98 | $65.95 |
| Mid-grade | $4.60 | $36.54 | $73.08 |
| Premium | $4.90 | $38.92 | $77.85 |
| Diesel | $4.35 | $34.58 | $69.16 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.