How far is Mandeville, LA from Sulphur, LA?
The driving distance from Mandeville, LA to Sulphur, LA is about 207.6 miles (334.1 km), with a travel time of about 03h 22m by car.
- The straight-line flight distance is about 197.7 miles (318.2 km).
- For a round trip, plan for roughly 06h 44m 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 22m.
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.
Town in the U.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Mandeville and Sulphur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mandeville and Sulphur.
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1
Start on Monroe Street
49 m · 10 sec · Monroe Street
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2
Turn left onto Girod Street
2243 ft · 1 min · Girod Street
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3
Turn left onto Florida Street
1.6 km · 2 min · Florida Street
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4
Continue on Highway 190
1.8 mi · 3 min · Highway 190
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5
Take the ramp slight right toward US 190: North Causeway Boulevard
2 mi · 3 min
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6
Take the exit slight right toward I 12: Hammond, Slidell
1288 ft · 32 sec
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7
Keep slight left to continue on I 12 West: Hammond
1.5 km · 2 min
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8
Merge slight left onto West Florida Republic Parkway
62.7 mi · 1 hr 8 min · West Florida Republic Parkway
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9
Merge slight right
3.6 mi · 4 min
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10
Keep slight left
128.7 mi · 2 hr 23 min
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11
Take the exit slight right toward US 90 West
1377 ft · 34 sec
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12
Keep slight right
5.9 mi · 9 min
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13
Arrive at your destination
0 m · 1 sec · East Napoleon Street
Car Route Details
A richer read on the saved driving route between Mandeville 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.
West Florida Republic Parkway
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.
Sunny leaving Mandeville and Mostly Sunny near Sulphur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mandeville to Sulphur?
The road trip is about 207.6 miles (334.1 km) and usually takes 03h 22m 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?
Henderson is a useful midpoint, sitting about 103.6 miles from Mandeville and 104 miles from Sulphur.
How much longer is the road route than the straight-line distance?
The direct path is about 197.7 miles (318.2 km), while the road route adds roughly 9.9 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 10:16 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 $57.35 round trip. Estimated CO2 is about 65.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Mandeville and Mostly Sunny near Sulphur.
Stop Ideas Near Henderson
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Parks City Hall
Henderson Mayor Office
Henderson Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Henderson.
Lafayette
New Iberia
Baton Rouge, Louisiana
Schriever
Flight Path Map
This map shows the direct air route between Mandeville and Sulphur. Straight-line distance: 197.74 mi (318.23 km).
#1 Mandeville
Town in Louisiana, USA
| Population | 12,559 |
| Coordinates | 30.3582500, -90.0656300 |
| Altitude | 2 |
| 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: 334 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 54m |
| 40 mph (64.37 km/h) | 05h 11m |
| 50 mph (80.47 km/h) | 04h 09m |
| 60 mph (96.56 km/h) | 03h 27m |
| 70 mph (112.65 km/h) | 02h 57m |
| 80 mph (129 km/h) | 02h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.91 | $28.67 | $57.35 |
| Mid-grade | $4.38 | $32.08 | $64.15 |
| Premium | $4.78 | $35.04 | $70.09 |
| Diesel | $5.82 | $42.68 | $85.37 |
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