How far is Port Sulphur, LA from Lake Charles, LA?
The driving distance from Port Sulphur, LA to Lake Charles, LA is about 253.3 miles (407.7 km), with a travel time of about 04h 15m by car.
- The straight-line flight distance is about 216.4 miles (348.2 km).
- For a round trip, plan for roughly 08h 31m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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 04h 15m.
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.
The capital of Louisiana.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Partly Cloudy
Driving Route Map
The map below follows the saved road route between Port Sulphur and Lake Charles.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Sulphur and Lake Charles.
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1
Start on the route
39.8 mi · 52 min
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2
Turn right onto Behrman Highway
2.3 mi · 4 min · Behrman Highway
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3
Turn straight onto Behrman Place
1908 ft · 36 sec · Behrman Place
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4
Keep slight left to continue on Behrman Place
1567 ft · 45 sec · Behrman Place
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5
At the end of the road, turn left onto General de Gaulle Drive
1.2 mi · 2 min · General de Gaulle Drive
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6
Take the ramp straight toward US 90 Business East: New Orleans
2126 ft · 42 sec
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7
Merge slight left onto Westbank Expressway
1.5 km · 1 min · Westbank Expressway
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8
Continue on Crescent City Connection
1 km · 58 sec · Crescent City Connection
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9
Continue on Pontchartrain Expressway
80.6 mi · 1 hr 32 min · Pontchartrain Expressway
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10
Keep slight left
124.3 mi · 2 hr 18 min
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11
Take the exit slight right
1605 ft · 41 sec
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12
Turn straight onto Enterprise Boulevard
3249 ft · 1 min · Enterprise Boulevard
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13
Continue on Enterprise Boulevard
1.6 km · 2 min · Enterprise Boulevard
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14
Arrive at your destination
0 m · 1 sec · Enterprise Boulevard
Car Route Details
A richer read on the saved driving route between Port Sulphur and Lake Charles.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Pontchartrain Expressway
Keep slight left
124 mi · 02h 18m
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 Clear leaving Port Sulphur and Partly Cloudy near Lake Charles.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Sulphur to Lake Charles?
The road trip is about 253.3 miles (407.7 km) and usually takes 04h 15m 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?
Baton Rouge is a useful midpoint, sitting about 126.2 miles from Port Sulphur and 127.1 miles from Lake Charles.
How much longer is the road route than the straight-line distance?
The direct path is about 216.4 miles (348.2 km), while the road route adds roughly 36.9 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 CDT. If you want a more comfortable same-day return, try to leave by 8:28 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.86 one way or $67.71 round trip. Estimated CO2 is about 79.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Port Sulphur and Partly Cloudy near Lake Charles.
Stop Ideas Near Baton Rouge
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Plaza
Baker Utility Office
Baker Municipal Center Auditorium
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Baton Rouge.
Baton Rouge, Louisiana
Hammond
New Iberia
Lafayette
Flight Path Map
This map shows the direct air route between Port Sulphur and Lake Charles. Straight-line distance: 216.37 mi (348.21 km).
#1 Port Sulphur
City in Louisiana, United States of America
| Population | 1,760 |
| Coordinates | 29.4804900, -89.6939500 |
| Altitude | 1 |
| Country | United States |
#2 Lake Charles
The second most populous city in Calcasieu Parish, Louisiana.
| Population | 78,433 |
| Coordinates | 30.2130900, -93.2044000 |
| Altitude | 4 |
| Country | United States |
End: Enterprise Boulevad (-93.204402, 30.21309)
Estimated Travel Time
Distance: 408 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 26m |
| 40 mph (64.37 km/h) | 06h 20m |
| 50 mph (80.47 km/h) | 05h 03m |
| 60 mph (96.56 km/h) | 04h 13m |
| 70 mph (112.65 km/h) | 03h 37m |
| 80 mph (129 km/h) | 03h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $33.86 | $67.71 |
| Mid-grade | $4.26 | $38.08 | $76.15 |
| Premium | $4.63 | $41.35 | $82.70 |
| Diesel | $5.42 | $48.41 | $96.82 |
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 Louisiana · Apr 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.