Origin
Port Sulphur, LA
Late night in Port Sulphur on Sunday
Local time
5:31 AM
CDT
Current temp
74°F
Unavailable
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
4h 56m
Distance
252.7 mi
407 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$38
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Port Sulphur, LA
Wikimedia Commons
Lake Charles, LA
Liisbet Luup
This 252.7-mile drive from Port Sulphur to Lake Charles is a straightforward, highway-focused journey that can comfortably be completed in under five hours. With 97% of the route on highways, it's an efficient way to travel across Louisiana. The estimated fuel cost is around $38, making it an economical trip. You'll spend most of your time on I-10, with a significant portion of that being a continuous 124.3-mile stretch. Given its duration, this route is ideal for a single-day trip, allowing for a relaxed pace and flexibility in your schedule. You'll remain within the Southeast region for the entire journey, primarily traversing Louisiana.
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
126.3 miles from Port Sulphur, LA
A natural place for your longest stop of the day , about 2h 35m into the drive .
| Road | Distance | Duration |
|---|---|---|
| I 10 | 124.3 mi | 2h 17m |
| Pontchartrain Expressway | 80.6 mi | 1h 32m |
| LA 23 | 39.8 mi | 52m |
| Behrman Highway | 2.3 mi | 4m |
| Enterprise Boulevard | 1.6 mi | 3m |
| General de Gaulle Drive | 1.2 mi | 2m |
| Westbank Expressway | 0.9 mi | 1m |
| Behrman Place | 0.7 mi | 1m |
Step-by-step road directions between Port Sulphur, LA and Lake Charles, LA.
Start on LA 23
Turn right onto LA 428
Turn straight onto LA 428
Keep slight left at fork onto LA 428
At end of road, turn left onto LA 428
Take the ramp
Merge onto US 90 BUS
Continue on US 90 BUS
Continue on US 90 BUS
Keep slight left at fork onto I 10
Take the exit
Turn straight onto US 90 Bus
Continue on Enterprise Boulevard
Arrive at destination
For this relatively short, 4-hour and 56-minute drive, starting your day at a reasonable hour will give you plenty of flexibility. With only one planned stop recommended, you can easily manage your time. The longest stretch without a break is over 124 miles on I-10, so be sure to fuel up before you embark or plan your stop strategically along this main corridor. Given the highway-focused nature, keep an eye on traffic conditions, especially as you approach more populated areas. The manageable distance means you can depart later in the morning and still arrive in Lake Charles with time to spare.
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 56 miles or 1h 14m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 126.3 miles or 2h 35m 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 4m
Traffic, exits, and arrival timing usually matter more near Lake Charles, 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 252.7 miles and 4h 56m.
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
126 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 56 miles helps settle the day before fatigue starts building.
The midpoint is around 126.3 miles from Port Sulphur, LA, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 10 if your tank is already low. That segment runs about 124.3 miles.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
5 decision points cluster between mile 42.4 and 126.5 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
Keep slight left at fork onto LA 428 / Behrman Place
Highway fork - watch signs carefully
At end of road, turn left onto LA 428 / General de Gaulle Drive
Navigation decision point
Take the ramp toward US 90 Business East: New Orleans
Navigation decision point
Merge onto US 90 BUS / Westbank Expressway
Merge point - match speed before joining
Keep slight left at fork onto I 10
Highway fork - watch signs carefully. Lane positioning matters here
Regular Gas
$38.16 one way
$76.33 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.21 | $41.89 | $83.79 |
| premium | $4.56 | $45.36 | $90.71 |
| diesel | $5.61 | $55.79 | $111.59 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$38
Meals
$25–$50
Total
$63–$88
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 88.4 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $27 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 75.8 | 0 | $26.53 | $12.13 |
| Efficient EV | 63.2 | 0 | $22.11 | $10.11 |
| EV Truck/SUV | 101.1 | 1 | $35.38 | $16.17 |
Gas CO2
88 kg
EV CO2
30 kg (66% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
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
Late night in Port Sulphur on Sunday
Local time
5:31 AM
CDT
Current temp
74°F
Unavailable
Destination
Late night in Lake Charles on Sunday
Local time
5:31 AM
CDT
Current temp
81°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.
Expect a predominantly highway experience on this route, with 97% of your travel on major roadways. You'll begin on LA 23 and the Pontchartrain Expressway before merging onto the expansive I-10. The bulk of your drive will be on I-10, including a substantial 124.3-mile segment without significant interruption. This highway-focused profile means you'll maintain consistent speeds for extended periods. While not a winding scenic road, the efficiency of the interstate system is the main characteristic of this drive, allowing you to cover ground quickly.
This is a straightforward highway drive that stays mostly on I 10 and Pontchartrain Expressway. There are only a few real navigation decisions along the way. The trickiest moment comes around 42.4 miles in near LA 428 / Behrman Place.
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 4h 56m drive. You will face about 6 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 42.4 miles (LA 428 / Behrman Place): Highway fork - watch signs carefully; at 42.7 miles (LA 428 / General de Gaulle Drive): Navigation decision point; at 43.9 miles: Navigation decision point.
Lake Charles is the second-largest city in the Acadiana region of Louisiana, with 87,000 residents in 2022. It is well known for gaming and the great outdoors, culinary delights and rhythm and blues. There are over 75 annual festivals from the splendor of Mardi Gras to the swashbuckling days of the Contraband Days Pirate Festival, there is something going on nearly every weekend.
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Weekend Trip
Doable as a same-day drive at 4h 56m. Total distance: 252.7 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
4h 56m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (97%). Straightforward navigation.
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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