Origin
Port Sulphur, LA
Night in Port Sulphur on Wednesday
Local time
10:40 PM
CDT
Current temp
74°F
Unavailable
Last recalculated Apr 16, 2026
Drive Time
5h 28m
Distance
348.3 mi
561 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$53
one way
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Port Sulphur, LA
Wikimedia Commons
Monroe, LA
Perry Z
The drive from Port Sulphur, LA to Monroe, LA covers 348.3 miles and takes about 5h 28m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Behrman Highway, Behrman Place, General de Gaulle Drive for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $52.60 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
174.1 miles from Port Sulphur, LA
A natural place for your longest stop of the day , about 2h 44m into the drive .
Expect a 5h 28m drive with frequent turns across 348.3 miles of local and secondary roads.
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way.
Easy - simple navigation with a manageable amount of wheel time
This is a straightforward 5h 28m drive. You will face about 0 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
This route does not have any notably tricky sections. Most of the drive from Port Sulphur, LA to Monroe, LA is straightforward, with well-signed roads and simple exits.
| Road | Distance | Duration |
|---|---|---|
| Behrman Highway | — | — |
| Behrman Place | — | — |
| General de Gaulle Drive | — | — |
| US 90 | — | — |
| Westbank Expressway | — | — |
| Crescent City Connection | — | — |
| Pontchartrain Expressway | — | — |
| Martin Luther King Jr Memorial Freeway | — | — |
Some road-level metrics are being recalculated.
Step-by-step road directions between Port Sulphur, LA and Monroe, LA.
Start on the route
Turn right onto Behrman Highway
Turn straight onto Behrman Place
Keep slight left to continue on Behrman Place
At the end of the road, turn left onto General de Gaulle Drive
Take the ramp straight toward US 90 Business East: New Orleans
Merge slight left onto Westbank Expressway
Continue on Crescent City Connection
Continue on Pontchartrain Expressway
Keep slight right to continue on Martin Luther King Jr Memorial Freeway
Continue on Martin Luther King, Jr. Memorial Freeway
Keep slight right to continue on US 61 North: Natchez
Continue on Scenic Highway
Continue on Samuels Road
Turn left
Continue on John R Junkin Drive
Continue on Natchez-Vidalia Bridge
Continue on E. E. Wallace Boulevard North
Turn left
Merge slight left
Take the exit slight right toward US 165 BUS, LA 15: Civic Center
Keep slight right
Turn straight onto Lea Joyner Memorial Expressway
Continue on North 6th Street
Turn left onto Louisville Avenue
Turn left
Turn right
Arrive at your destination
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.
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 77 miles or 1h 12m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 174.1 miles or 2h 44m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 4h 32m
Traffic, exits, and arrival timing usually matter more near Monroe, LA than in the middle of the route.
Open the route before leaving Port Sulphur, LA 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 Port Sulphur, LA
This is one driving day of about 348.3 miles and 5h 28m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 174.1 mi from Port Sulphur, LA · 2h 44m into the drive
Mid-route town
Meal stop
174 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.
A short stop after about 77 miles helps settle the day before fatigue starts building.
The midpoint is around 174.1 miles from Port Sulphur, LA, which is a good place for a longer meal and fuel stop.
The final approach into Monroe, LA 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 Monroe, LA.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$52.60 one way
$105.20 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.21 | $57.74 | $115.49 |
| premium | $4.56 | $62.52 | $125.03 |
| diesel | $5.61 | $76.90 | $153.80 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$53
Meals
$25–$50
Total
$78–$103
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 121.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $37 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 104.5 | 1 | $36.57 | $16.72 |
| Efficient EV | 87.1 | 0 | $30.48 | $13.93 |
| EV Truck/SUV | 139.3 | 1 | $48.76 | $22.29 |
Gas CO2
122 kg
EV CO2
41 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Current conditions at both ends of the drive.
Origin
Night in Port Sulphur on Wednesday
Local time
10:40 PM
CDT
Current temp
74°F
Unavailable
Destination
Night in Monroe on Wednesday
Local time
10:40 PM
CDT
Current temp
57°F
Unavailable
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
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
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