How far is Port Sulphur, LA from New Orleans, LA?
The driving distance from Port Sulphur, LA to New Orleans, LA is about 49.2 miles (79.2 km), with a travel time of about 01h 02m by car.
- The straight-line flight distance is about 40 miles (64.3 km).
- For a round trip, plan for roughly 02h 04m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 02m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Human settlement in Louisiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Port Sulphur and New Orleans.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Sulphur and New Orleans.
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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
1.6 mi · 2 min · Pontchartrain Expressway
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10
Take the exit slight right toward US 90 East: Claiborne Avenue
1090 ft · 27 sec
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11
Turn slight right onto South Claiborne Avenue
2029 ft · 44 sec · South Claiborne Avenue
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12
Turn right onto Tulane Avenue
1639 ft · 42 sec · Tulane Avenue
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13
Arrive at your destination
0 m · 1 sec · Tulane Avenue
Car Route Details
A richer read on the saved driving route between Port Sulphur and New Orleans.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Longest stretch
Start on the route
39.8 mi · 00h 52m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Clear leaving Port Sulphur and Mostly Sunny near New Orleans.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Sulphur to New Orleans?
The road trip is about 49.2 miles (79.2 km) and usually takes 01h 02m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Lafitte is a useful midpoint, sitting about 24.2 miles from Port Sulphur and 25 miles from New Orleans.
How much longer is the road route than the straight-line distance?
The direct path is about 40 miles (64.3 km), while the road route adds roughly 9.2 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:26 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.59 one way or $13.18 round trip. Estimated CO2 is about 15.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Port Sulphur and Mostly Sunny near New Orleans.
Stop Ideas Near Lafitte
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lafitte.
New Orleans Union Passenger Terminal
Schriever
Slidell
Hammond
Flight Path Map
This map shows the direct air route between Port Sulphur and New Orleans. Straight-line distance: 39.95 mi (64.3 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 New Orleans
The most populous city in Louisiana and the center of the New Orleans metropolitan area.
| Population | 389,476 |
| Coordinates | 29.9546500, -90.0750700 |
| Altitude | 0 |
| Country | United States |
End: Tulane Avenue (-90.07507, 29.954633)
Estimated Travel Time
Distance: 79 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 38m |
| 40 mph (64.37 km/h) | 01h 13m |
| 50 mph (80.47 km/h) | 00h 59m |
| 60 mph (96.56 km/h) | 00h 49m |
| 70 mph (112.65 km/h) | 00h 42m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $6.59 | $13.18 |
| Mid-grade | $4.26 | $7.41 | $14.82 |
| Premium | $4.63 | $8.05 | $16.10 |
| Diesel | $5.42 | $9.42 | $18.84 |
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.