Origin
Monroe, LA
Morning in Monroe on Thursday
Local time
10:29 AM
CDT
Current temp
57°F
Unavailable
Live forecast
Trip from Monroe, LA to Port Sulphur, LA
Last recalculated Apr 16, 2026
Drive Time
6h 15m
Distance
313.6 mi
505 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$47
one way
EV Charging
Unknown
Best Time to Leave
4 AM
6h 2m
★
6 AM
6h 15m
8 AM
6h 40m
10 AM
6h 24m
12 PM
6h 21m
3 PM
6h 25m
5 PM
6h 39m
8 PM
6h 7m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Monroe, LA
Perry Z
Port Sulphur, LA
Wikimedia Commons
Trip Overview
The drive from Monroe, LA to Port Sulphur, LA covers 313.6 miles and takes about 6h 15m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Louisville Avenue, North 5th Street, Lea Joyner Memorial Expressway for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $47.36 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
156.8 miles from Monroe, LA
A natural place for your longest stop of the day , about 3h 7m into the drive .
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 6h 15m. Total distance: 313.6 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
6h 15m drive, plan rest stops for pacing.
First-Time Driver
Mostly highway driving (0%). Straightforward navigation.
Scenic Drive
Turn-heavy local drive route profile.
Drive Character
Expect a 6h 15m drive with frequent turns across 313.6 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 26 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Louisville Avenue is one of the defining roads on this drive.
How Hard Is This Drive?
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.
Driving Effort
3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
The route itself is not hard, but at 6h 15m, endurance matters. Plan breaks every 2-3 hours. The 0 decision points are all manageable with basic attention.
Where does it get tricky?
This route does not have any notably tricky sections. Most of the drive from Monroe, LA to Port Sulphur, LA is straightforward, with well-signed roads and simple exits.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Louisville Avenue | — | — |
| North 5th Street | — | — |
| Lea Joyner Memorial Expressway | — | — |
| US 425 | — | — |
| Seargent Prentiss Drive | — | — |
| I 110 South | — | — |
| Martin Luther King | — | — |
| Martin Luther King Jr Memorial Freeway | — | — |
Some road-level metrics are being recalculated.
Longest stretch:
Louisville Avenue
— detailed segment metrics are refreshing.
Turn-by-Turn Driving Directions
Step-by-step road directions between Monroe, LA and Port Sulphur, LA.
1
Start on the route
39 ft
·
8 sec
·
the route
2
Turn left
46 ft
·
5 sec
3
Turn right onto Louisville Avenue
266 ft
·
9 sec
·
Louisville Avenue
4
Turn right onto North 5th Street
0.2 mi
·
19 sec
·
North 5th Street
5
Continue on North 5th Street
459 ft
·
8 sec
·
North 5th Street
6
Continue on Lea Joyner Memorial Expressway
0.7 mi
·
1 min
·
Lea Joyner Memorial Expressway
7
Take the ramp left
0.2 mi
·
23 sec
8
Merge slight left
20 mi
·
22 min
9
Take the exit slight right toward US 425: Rayville, Archibald
0.3 mi
·
42 sec
·
US 425: Rayville, Archibald
10
Turn right
76 mi
·
1 hr 28 min
11
Keep slight right
525 ft
·
14 sec
12
Merge slight left onto Seargent Prentiss Drive
79 mi
·
1 hr 34 min
·
Seargent Prentiss Drive
13
Take the exit straight toward I 110 South: Baton Rouge
0.5 mi
·
48 sec
·
I 110 South: Baton Rouge
14
Continue on Martin Luther King, Jr. Memorial Freeway
2.5 mi
·
3 min
·
Martin Luther King, Jr. Memorial Freeway
15
Continue on Martin Luther King Jr Memorial Freeway
5.7 mi
·
7 min
·
Martin Luther King Jr Memorial Freeway
16
Keep slight left to continue on Martin Luther King Jr Memorial Freeway
0.5 mi
·
36 sec
·
Martin Luther King Jr Memorial Freeway
17
Merge slight right
75 mi
·
1 hr 24 min
18
Keep slight right to continue on Pontchartrain Expressway
3.5 mi
·
4 min
·
Pontchartrain Expressway
19
Keep slight left to continue on Pontchartrain Expressway
2.4 mi
·
2 min
·
Pontchartrain Expressway
20
Continue on Crescent City Connection
0.7 mi
·
1 min
·
Crescent City Connection
21
Continue on Westbank Expressway
2.7 mi
·
3 min
·
Westbank Expressway
22
Take the exit slight right toward LA 23 South, LA 18 West: Lafayette Street
0.2 mi
·
32 sec
·
LA 23 South, LA 18 West: Lafayette Street
23
Turn straight onto Westbank Expressway
295 ft
·
13 sec
·
Westbank Expressway
24
Turn left onto Lafayette Street
0.4 mi
·
29 sec
·
Lafayette Street
25
Continue on Belle Chasse Highway
42 mi
·
57 min
·
Belle Chasse Highway
26
Arrive at your destination
Trip Plan
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 156.8 miles from Monroe, LA, or about 3h 7m into the drive.
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 69 miles or 1h 22m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 156.8 miles or 3h 7m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 5h 7m
Traffic, exits, and arrival timing usually matter more near Port Sulphur, LA than in the middle of the route.
Before You Leave
+
Open the route before leaving Monroe, 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 Monroe, LA
This is one driving day of about 313.6 miles and 6h 15m.
Your first comfortable stop window is around 69 miles from Monroe, LA.
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.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 156.8 mi from Monroe, LA · 3h 7m into the drive
Mid-route town
Meal stop
157 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 69 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 156.8 miles from Monroe, LA, which is a good place for a longer meal and fuel stop.
Arriving in Port Sulphur, LA
The final approach into Port Sulphur, 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 Port Sulphur, LA.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$47.36 one way
$94.72 round trip
$3.84/gal
25.4 MPG avg
110 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.21 | $51.99 | $103.98 |
| premium | $4.56 | $56.29 | $112.57 |
| diesel | $5.61 | $69.24 | $138.48 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$47
Meals
$25–$50
Total
$72–$97
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 109.7 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $33 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 94.1 | 1 | $32.93 | $15.05 |
| Efficient EV | 78.4 | 0 | $27.44 | $12.54 |
| EV Truck/SUV | 125.4 | 1 | $43.90 | $20.07 |
Gas CO2
110 kg
EV CO2
37 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.
Travel Intel
Current conditions at both ends of the drive.
Destination
Port Sulphur, LA
Morning in Port Sulphur on Thursday
Local time
10:29 AM
CDT
Current temp
74°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
17 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
6h 15m on the road
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Monroe, LA to Port Sulphur, LA covers 313.6 miles and takes about 6h 15m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Louisville Avenue, North 5th Street, Lea Joyner Memorial Expressway. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 156.8 miles from Monroe, LA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $47.36 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Start early — leave by 6-7 AM to arrive at a reasonable hour. This is a long drive — plan for a morning departure or consider splitting it into two days.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
The route itself is not hard, but at 6h 15m, endurance matters. Plan breaks every 2-3 hours. The 0 decision points are all manageable with basic attention.
This route does not have any notably tricky sections. Most of the drive from Monroe, LA to Port Sulphur, LA is straightforward, with well-signed roads and simple exits.
The route from Monroe, LA to Port Sulphur, LA does not surface many named destination signs beyond the main corridor.
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