How far is New Orleans, LA from Sulphur, LA?
The driving distance from New Orleans, LA to Sulphur, LA is about 214.6 miles (345.3 km), with a travel time of about 03h 19m by car.
- The straight-line flight distance is about 198.3 miles (319.2 km).
- For a round trip, plan for roughly 06h 38m 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 03h 19m.
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.
City in Louisiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Cloudy
Driving Route Map
The map below follows the saved road route between New Orleans and Sulphur.
Turn-by-Turn Driving Directions
Step-by-step road directions between New Orleans and Sulphur.
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1
Start on Tulane Avenue
12 m · 3 sec · Tulane Avenue
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2
Turn right onto Loyola Avenue
1385 ft · 46 sec · Loyola Avenue
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3
Turn right onto Poydras Street
2932 ft · 1 min · Poydras Street
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4
Take the ramp straight toward I 10 West: Baton Rouge
1865 ft · 46 sec
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5
Merge slight left
78.5 mi · 1 hr 30 min
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6
Keep slight left
128.7 mi · 2 hr 23 min
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7
Take the exit slight right toward US 90 West
1377 ft · 34 sec
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8
Keep slight right
5.9 mi · 9 min
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9
Arrive at your destination
0 m · 1 sec · East Napoleon Street
Car Route Details
A richer read on the saved driving route between New Orleans and Sulphur.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 10 West
Keep slight left
129 mi · 02h 23m
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 Sunny leaving New Orleans and Partly Cloudy near Sulphur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from New Orleans to Sulphur?
The road trip is about 214.6 miles (345.3 km) and usually takes 03h 19m 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?
Maringouin is a useful midpoint, sitting about 107.2 miles from New Orleans and 107.4 miles from Sulphur.
How much longer is the road route than the straight-line distance?
The direct path is about 198.3 miles (319.2 km), while the road route adds roughly 16.3 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 10:22 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.67 one way or $57.34 round trip. Estimated CO2 is about 67.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around New Orleans and Partly Cloudy near Sulphur.
Stop Ideas Near Maringouin
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 Maringouin.
Baton Rouge, Louisiana
Lafayette
New Iberia
Hammond
Flight Path Map
This map shows the direct air route between New Orleans and Sulphur. Straight-line distance: 198.36 mi (319.23 km).
#1 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 |
#2 Sulphur
Suburb city of Lake Charles, located in Calcasieu Parish, Louisiana, United States
| Population | 20,120 |
| Coordinates | 30.2365900, -93.3773800 |
| Altitude | 5 |
| Country | United States |
End: East Napoleon Street (-93.377405, 30.236609)
Estimated Travel Time
Distance: 345 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 08m |
| 40 mph (64.37 km/h) | 05h 21m |
| 50 mph (80.47 km/h) | 04h 17m |
| 60 mph (96.56 km/h) | 03h 34m |
| 70 mph (112.65 km/h) | 03h 03m |
| 80 mph (129 km/h) | 02h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $28.67 | $57.34 |
| Mid-grade | $4.26 | $32.24 | $64.48 |
| Premium | $4.63 | $35.01 | $70.02 |
| Diesel | $5.42 | $40.99 | $81.98 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.