How far is Sulphur, LA from Slidell, LA?
The driving distance from Sulphur, LA to Slidell, LA is about 224.9 miles (361.9 km), with a travel time of about 03h 29m by car.
- The straight-line flight distance is about 214.6 miles (345.4 km).
- For a round trip, plan for roughly 06h 58m 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 29m.
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.
Human settlement in Louisiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Sulphur and Slidell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sulphur and Slidell.
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1
Start on East Napoleon Street
6 mi · 9 min · East Napoleon Street
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2
Take the ramp straight
18.6 mi · 22 min
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3
Continue straight
114 mi · 2 hr 7 min
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4
Take the exit slight left toward I 12 East: Hammond
1.3 km · 2 min
-
5
Continue on West Florida Republic Parkway
79.5 mi · 1 hr 26 min · West Florida Republic Parkway
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6
Take the exit slight right toward Airport Drive, North Shore Boulevard
2028 ft · 51 sec
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7
Turn right onto Northshore Boulevard
3233 ft · 1 min · Northshore Boulevard
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8
At the end of the road, turn left onto Gause Boulevard West
3 mi · 5 min · Gause Boulevard West
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9
Turn right onto Front Street
1 km · 1 min · Front Street
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10
Turn left onto Fremaux Avenue
723 ft · 19 sec · Fremaux Avenue
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11
Turn right onto 3rd Street
845 ft · 19 sec · 3rd Street
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12
Turn right onto Bouscaren Street
67 m · 10 sec · Bouscaren Street
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13
Arrive at your destination
0 m · 1 sec · Bouscaren Street
Car Route Details
A richer read on the saved driving route between Sulphur and Slidell.
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
114 mi · 02h 07m
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.
Partly Cloudy leaving Sulphur and Mostly Sunny near Slidell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sulphur to Slidell?
The road trip is about 224.9 miles (361.9 km) and usually takes 03h 29m 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?
Grosse Tete is a useful midpoint, sitting about 111.7 miles from Sulphur and 113.2 miles from Slidell.
How much longer is the road route than the straight-line distance?
The direct path is about 214.6 miles (345.4 km), while the road route adds roughly 10.3 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 10:02 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.07 one way or $60.14 round trip. Estimated CO2 is about 70.6 kg one way.
What should you check before leaving?
Before you leave, expect Partly Cloudy around Sulphur and Mostly Sunny near Slidell.
Stop Ideas Near Grosse Tete
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 Grosse Tete.
Baton Rouge, Louisiana
New Iberia
Lafayette
Hammond
Flight Path Map
This map shows the direct air route between Sulphur and Slidell. Straight-line distance: 214.63 mi (345.42 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 Slidell
City in Louisiana
| Population | 27,541 |
| Coordinates | 30.2751900, -89.7811700 |
| Altitude | 1 |
| Country | United States |
End: Bouscaren Street (-89.78117, 30.275199)
Estimated Travel Time
Distance: 362 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 29m |
| 40 mph (64.37 km/h) | 05h 37m |
| 50 mph (80.47 km/h) | 04h 29m |
| 60 mph (96.56 km/h) | 03h 44m |
| 70 mph (112.65 km/h) | 03h 12m |
| 80 mph (129 km/h) | 02h 48m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $30.07 | $60.14 |
| Mid-grade | $4.26 | $33.82 | $67.63 |
| Premium | $4.63 | $36.72 | $73.45 |
| Diesel | $5.42 | $43.00 | $85.99 |
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.