How far is Sulphur, LA from Gretna, LA?
The driving distance from Sulphur, LA to Gretna, LA is about 219.1 miles (352.6 km), with a travel time of about 04h 11m by car.
- The straight-line flight distance is about 200 miles (321.8 km).
- For a round trip, plan for roughly 08h 22m 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 11m.
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.
Driving Route Map
The map below follows the saved road route between Sulphur and Gretna.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sulphur and Gretna.
-
1
Start on East Napoleon Street
6 mi · 9 min · East Napoleon Street
-
2
Take the ramp straight
18.6 mi · 22 min
-
3
Continue straight
185 mi · 3 hr 27 min
-
4
Keep slight right to continue on Pontchartrain Expressway
3.5 mi · 4 min · Pontchartrain Expressway
-
5
Keep slight left to continue on Pontchartrain Expressway
2.4 mi · 3 min · Pontchartrain Expressway
-
6
Continue on Crescent City Connection
1.1 km · 1 min · Crescent City Connection
-
7
Continue on Westbank Expressway
2 mi · 3 min · Westbank Expressway
-
8
Take the exit slight right toward Stumpf Boulevard
1396 ft · 34 sec
-
9
Turn straight onto Westbank Expressway
2603 ft · 60 sec · Westbank Expressway
-
10
Turn right
759 ft · 38 sec
-
11
At the end of the road, turn left onto 11th Street
20 m · 5 sec · 11th Street
-
12
Turn right onto Richard Street
52 m · 7 sec · Richard Street
-
13
Arrive at your destination
0 m · 1 sec · Richard Street
Car Route Details
A richer read on the saved driving route between Sulphur and Gretna.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
East Napoleon Street
Continue straight
185 mi · 03h 27m
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 Sulphur and Sunny near Gretna.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sulphur to Gretna?
The road trip is about 219.1 miles (352.6 km) and usually takes 04h 11m 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 109.4 miles from Sulphur and 109.7 miles from Gretna.
How much longer is the road route than the straight-line distance?
The direct path is about 200 miles (321.8 km), while the road route adds roughly 19.1 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 8:38 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.24 one way or $60.48 round trip. Estimated CO2 is about 68.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Sulphur and Sunny near Gretna.
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 Sulphur and Gretna. Straight-line distance: 199.94 mi (321.78 km).
#1 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 |
#2 Gretna
Suburb city of New Orleans
| Population | 17,615 |
| Coordinates | 29.9146500, -90.0539600 |
| Altitude | 0 |
| Country | United States |
End: Gretna (-90.05396, 29.91465)
Estimated Travel Time
Distance: 353 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 17m |
| 40 mph (64.37 km/h) | 05h 28m |
| 50 mph (80.47 km/h) | 04h 22m |
| 60 mph (96.56 km/h) | 03h 39m |
| 70 mph (112.65 km/h) | 03h 07m |
| 80 mph (129 km/h) | 02h 43m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.91 | $30.24 | $60.48 |
| Mid-grade | $4.38 | $33.83 | $67.65 |
| Premium | $4.78 | $36.96 | $73.91 |
| Diesel | $5.82 | $45.01 | $90.02 |
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 · Oct 15, 2026