How far is Interlachen, FL from Port Saint Lucie, FL?
The driving distance from Interlachen, FL to Port Saint Lucie, FL is about 217.2 miles (349.6 km), with a travel time of about 03h 31m by car.
- The straight-line flight distance is about 186.3 miles (299.8 km).
- For a round trip, plan for roughly 07h 03m 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 31m.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Interlachen and Port Saint Lucie.
Turn-by-Turn Driving Directions
Step-by-step road directions between Interlachen and Port Saint Lucie.
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1
Start on the route
29 m · 9 sec
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2
Turn left onto Commonwealth Avenue
130 m · 22 sec · Commonwealth Avenue
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3
Turn right
15.6 mi · 25 min
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4
Keep slight left to continue on 9th Street
1719 ft · 1 min · 9th Street
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5
Turn right onto Reid Street
3112 ft · 1 min · Reid Street
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6
Continue on Memorial Bridge
5 mi · 8 min · Memorial Bridge
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7
Turn left
23.8 mi · 31 min
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8
Turn left onto State Street
6 mi · 9 min · State Street
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9
Enter the roundabout and take exit 1 toward US Highway 1
35 m · 2 sec · US Highway 1
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10
Exit the roundabout onto US Highway 1
6.3 mi · 8 min · US Highway 1
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11
Turn left onto I 95 South: Miami
973 ft · 26 sec
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12
Merge slight left
153.2 mi · 2 hr 45 min
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13
Take the exit slight right toward Crosstown Parkway
1872 ft · 49 sec
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14
Turn left onto Crosstown Parkway
4.3 mi · 8 min · Crosstown Parkway
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15
Turn right onto Southeast Airoso Boulevard
916 ft · 21 sec · Southeast Airoso Boulevard
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16
Turn right onto Southwest Carter Avenue
66 m · 9 sec · Southwest Carter Avenue
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17
Arrive at your destination
0 m · 1 sec · Southwest Carter Avenue
Car Route Details
A richer read on the saved driving route between Interlachen 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.
I 95 South
Merge slight left
153 mi · 02h 45m
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 Interlachen and 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 Interlachen to Port Saint Lucie?
The road trip is about 217.2 miles (349.6 km) and usually takes 03h 31m 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?
Mims is a useful midpoint, sitting about 108.1 miles from Interlachen and 109.1 miles from Port Saint Lucie.
How much longer is the road route than the straight-line distance?
The direct path is about 186.3 miles (299.8 km), while the road route adds roughly 30.9 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 9:56 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.82 one way or $63.63 round trip. Estimated CO2 is about 68.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Interlachen and Sunny near Port Saint Lucie.
Stop Ideas Near Mims
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 Mims.
Sanford
Winter Park
Orlando Health/Amtrak
DeLand
Flight Path Map
This map shows the direct air route between Interlachen and Port Saint Lucie. Straight-line distance: 186.27 mi (299.77 km).
#1 Interlachen
City in Putnam County, Florida, United States of America
| Population | 1,477 |
| Coordinates | 29.6242100, -81.8925600 |
| Altitude | 32 |
| 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: 350 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 14m |
| 40 mph (64.37 km/h) | 05h 25m |
| 50 mph (80.47 km/h) | 04h 20m |
| 60 mph (96.56 km/h) | 03h 37m |
| 70 mph (112.65 km/h) | 03h 06m |
| 80 mph (129 km/h) | 02h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $31.82 | $63.63 |
| Mid-grade | $4.60 | $35.25 | $70.50 |
| Premium | $4.90 | $37.55 | $75.10 |
| Diesel | $4.35 | $33.36 | $66.73 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.