Origin
Saint Augustine, FL
Afternoon in Saint Augustine on Sunday
Local time
2:36 PM
EDT
Current temp
63°F
Unavailable
Live forecast
Trip from Saint Augustine, FL to Port Saint Lucie, FL
Drive Time
3h 46m
Distance
199.3 mi
321 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$33
one way
Trip Overview
Spanning 199.3 miles, the journey from Saint Augustine to Port Saint Lucie is a straightforward trek down the Florida coast. You can expect to spend about 3 hours and 46 minutes behind the wheel, making this a very manageable single-day trip. With a fuel budget of approximately $33, it is an affordable excursion for those looking to traverse the region efficiently. You will primarily navigate via I-95, transitioning onto local roads like South Ponce de Leon Boulevard and Crosstown Parkway as you near your destination. Because the travel time is under four hours, you likely won't need to book an overnight stay, allowing for maximum flexibility in your schedule.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
99.7 miles from Saint Augustine, FL
A natural place for your longest stop of the day , about 1h 55m into the drive .
Drive Character
This trip is heavily highway-focused, with 91% of your travel occurring on major thoroughfares. The core of your drive is a long, uninterrupted 177.4-mile stretch on I-95, which keeps the pace consistent but requires steady focus. Expect a utilitarian driving experience that prioritizes speed and directness over winding scenic detours. As you exit the interstate and transition onto local infrastructure, the environment shifts from high-speed transit to the suburban streets of Port Saint Lucie. It is a no-nonsense route designed to get you from point A to point B with minimal complexity.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 11 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 95 is the longest continuous segment at about 177.4 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 95 and South Ponce de Leon Boulevard. You will hit about 9 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.4 miles in near US 1 / North Ponce de Leon Boulevard.
Route Complexity
5/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
This drive requires moderate attention. Across 199.3 miles you will encounter 9 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 0.4 miles (US 1 / North Ponce de Leon Boulevard): Lane positioning matters here; at 1.4 miles (US 1 / South Ponce de Leon Boulevard): Highway fork - watch signs carefully. Lane positioning matters here; at 17.1 miles (I 95): Merge point - match speed before joining. Lane positioning matters here.
Critical Maneuvers
5 of 9 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
0.4 mi into trip
|
~1m in
|
US 1 / North Ponce de Leon Boulevard
At end of road, turn left onto US 1 / North Ponce de Leon Boulevard
Lane positioning matters here
Use the none lane.
6
1.4 mi into trip
|
~3m in
|
US 1 / South Ponce de Leon Boulevard
Keep slight left at fork onto US 1 / South Ponce de Leon Boulevard
Highway fork - watch signs carefully. Lane positioning matters here
Use the none lane.
5
17.1 mi into trip
|
~26m in
|
I 95
Merge onto I 95
Merge point - match speed before joining. Lane positioning matters here
Use the none lane.
7
194.5 mi into trip
|
~3h 37m in
Take the exit toward Crosstown Parkway
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 120
Toward Crosstown Parkway
7
199.3 mi into trip
|
~3h 46m in
|
Southwest Carter Avenue
Turn right onto Southwest Carter Avenue
Lane positioning matters here
Use the none lane.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 95 | 177.4 mi | 3h 10m |
| South Ponce de Leon Boulevard | 15.4 mi | 21m |
| Crosstown Parkway | 4.3 mi | 7m |
| North Ponce de Leon Boulevard | 1 mi | 2m |
| Carrera Street | 0.4 mi | 1m |
| Southeast Airoso Boulevard | 0.2 mi | <1m |
| Southwest Carter Avenue | <0.1 mi | <1m |
| Cordova Street | <0.1 mi | <1m |
Longest stretch:
I 95
— 177.4 mi, about 3h 10m
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Augustine, FL and Port Saint Lucie, FL.
1
Start on Cordova Street
84 ft
·
8 sec
·
Cordova Street
2
Turn left onto Carrera Street
0.4 mi
·
1 min
·
Carrera Street
3
At end of road, turn left onto US 1
1.0 mi
·
2 min
·
North Ponce de Leon Boulevard
Use the none lane.
4
Keep slight left at fork onto US 1
15 mi
·
21 min
·
South Ponce de Leon Boulevard
Use the none lane.
5
Take the ramp
0.3 mi
·
42 sec
Toward I 95 South: Miami
6
Merge onto I 95
177 mi
·
3 hr 10 min
·
I 95
Use the none lane.
7
Take the exit
0.4 mi
·
48 sec
Exit 120
Toward Crosstown Parkway
Use the slight right lane.
8
Turn left onto Crosstown Parkway
4.3 mi
·
7 min
·
Crosstown Parkway
Use the straight lane.
9
Turn right onto CR 615
0.2 mi
·
20 sec
·
Southeast Airoso Boulevard
10
Turn right onto Southwest Carter Avenue
215 ft
·
9 sec
·
Southwest Carter Avenue
Use the none lane.
11
Arrive at destination
Southwest Carter Avenue
Trip Plan
To make the most of your 3 hour and 46 minute drive, consider departing early in the morning to avoid peak traffic patterns often found on I-95. Since the itinerary includes one planned stop, use that break strategically to stretch your legs after the long 177.4-mile interstate stint. Keep an eye on your fuel gauge during the main highway portion, as prices can fluctuate significantly between exits. Given the total distance of nearly 200 miles, you have plenty of time to reach your destination before sunset if you leave by midday. Planning your refueling stop around the midpoint of the journey will help you maintain a smooth pace for the remainder of your trip.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 99.7 miles from Saint Augustine, FL, or about 1h 55m into the drive.
The longest continuous stretch on this route runs about 177.4 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 33m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 99.7 miles or 1h 55m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 3m
Traffic, exits, and arrival timing usually matter more near Port Saint Lucie, FL than in the middle of the route.
Before You Leave
+
Open the route before leaving Saint Augustine, FL so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Saint Augustine, FL
This is one driving day of about 199.3 miles and 3h 46m.
Your first comfortable stop window is around 80 miles from Saint Augustine, FL.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 95 for about 177.4 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 99.7 mi from Saint Augustine, FL · 1h 55m into the drive
Mid-route town
Meal stop
100 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 99.7 miles from Saint Augustine, FL, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 95 if your tank is already low. That segment runs about 177.4 miles.
Arriving in Port Saint Lucie, FL
The final approach into Port Saint Lucie, FL usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Port Saint Lucie, FL.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$33.29 one way
$66.59 round trip
$4.24/gal
25.4 MPG avg
70 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.60 | $36.06 | $72.12 |
| premium | $4.90 | $38.42 | $76.83 |
| diesel | $5.64 | $44.28 | $88.56 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$33
Meals
$25–$50
Total
$58–$83
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 69.7 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $21 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 59.8 | 0 | $20.93 | $9.57 |
| Efficient EV | 49.8 | 0 | $17.44 | $7.97 |
| EV Truck/SUV | 79.7 | 0 | $27.90 | $12.76 |
Gas CO2
70 kg
EV CO2
23 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Port Saint Lucie, FL
Afternoon in Port Saint Lucie on Sunday
Local time
2:36 PM
EDT
Current temp
64°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
1 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
3h 46m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Saint Augustine, FL to Port Saint Lucie, FL covers 199.3 miles and takes about 3h 46m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 95, South Ponce de Leon Boulevard, Crosstown Parkway. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 99.7 miles from Saint Augustine, FL. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $33.29 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
This drive requires moderate attention. Across 199.3 miles you will encounter 9 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: at 0.4 miles (US 1 / North Ponce de Leon Boulevard): Lane positioning matters here; at 1.4 miles (US 1 / South Ponce de Leon Boulevard): Highway fork - watch signs carefully. Lane positioning matters here; at 17.1 miles (I 95): Merge point - match speed before joining. Lane positioning matters here.
The route from Saint Augustine, FL to Port Saint Lucie, FL does not surface many named destination signs beyond the main corridor.
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