How far is Slidell, LA from Marrero, LA?
The driving distance from Slidell, LA to Marrero, LA is about 41.3 miles (66.5 km), with a travel time of about 00h 49m by car.
- The straight-line flight distance is about 32.2 miles (51.9 km).
- For a round trip, plan for roughly 01h 38m 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 00h 49m.
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.
Town in Crisp County, Georgia, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms then Chance Showers And Thunderstorms
Showers And Thunderstorms then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Slidell and Marrero.
Turn-by-Turn Driving Directions
Step-by-step road directions between Slidell and Marrero.
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1
Start on Bouscaren Street
67 m · 12 sec · Bouscaren Street
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2
Turn right onto 3rd Street
837 ft · 17 sec · 3rd Street
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3
Continue on Sergeant Alfred Drive
1.1 km · 1 min · Sergeant Alfred Drive
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4
Turn sharp left onto Old Spanish Trail
1.5 mi · 2 min · Old Spanish Trail
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5
Take the ramp straight toward I 10 West: New Orleans
1645 ft · 40 sec
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6
Merge slight left
28.5 mi · 33 min
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7
Take the exit slight left toward US 90 West, US 90 Business West: Mississippi River Bridge
2093 ft · 36 sec
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8
Keep slight left to continue on US 90 Business West: Mississippi River Bridge
2418 ft · 41 sec
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9
Merge slight left onto Pontchartrain Expressway
1.4 mi · 1 min · Pontchartrain Expressway
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10
Continue on Crescent City Connection
1.1 km · 1 min · Crescent City Connection
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11
Continue on Westbank Expressway
5.4 mi · 7 min · Westbank Expressway
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12
Take the exit slight right toward LA 45: Barataria Boulevard
1395 ft · 30 sec
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13
Turn straight onto Westbank Expressway
1403 ft · 36 sec · Westbank Expressway
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14
Turn right onto Barataria Boulevard
1612 ft · 39 sec · Barataria Boulevard
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15
Arrive at your destination
0 m · 1 sec · Barataria Boulevard
Car Route Details
A richer read on the saved driving route between Slidell and Marrero.
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
Merge slight left
28.5 mi · 00h 33m
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.
Showers And Thunderstorms then Chance Showers And Thunderstorms leaving Slidell and Showers And Thunderstorms then Chance Showers And Thunderstorms near Marrero.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Slidell to Marrero?
The road trip is about 41.3 miles (66.5 km) and usually takes 00h 49m 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?
Arabi is a useful midpoint, sitting about 20.2 miles from Slidell and 21.2 miles from Marrero.
How much longer is the road route than the straight-line distance?
The direct path is about 32.2 miles (51.9 km), while the road route adds roughly 9.1 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:52 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.53 one way or $11.06 round trip. Estimated CO2 is about 13 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms then Chance Showers And Thunderstorms around Slidell and Showers And Thunderstorms then Chance Showers And Thunderstorms near Marrero.
Stop Ideas Near Arabi
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 Arabi.
New Orleans Union Passenger Terminal
Slidell
Picayune
Hammond
Flight Path Map
This map shows the direct air route between Slidell and Marrero. Straight-line distance: 32.22 mi (51.86 km).
#1 Slidell
City in Louisiana
| Population | 27,541 |
| Coordinates | 30.2751900, -89.7811700 |
| Altitude | 1 |
| Country | United States |
#2 Marrero
CDP in Jefferson Parish, Louisiana
| Population | 33,141 |
| Coordinates | 29.8993700, -90.1003500 |
| Altitude | 1 |
| Country | United States |
End: Barataria Boulevard (-90.100445, 29.899359)
Estimated Travel Time
Distance: 67 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 22m |
| 40 mph (64.37 km/h) | 01h 02m |
| 50 mph (80.47 km/h) | 00h 49m |
| 60 mph (96.56 km/h) | 00h 41m |
| 70 mph (112.65 km/h) | 00h 35m |
| 80 mph (129 km/h) | 00h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $5.53 | $11.06 |
| Mid-grade | $4.26 | $6.22 | $12.44 |
| Premium | $4.63 | $6.75 | $13.50 |
| Diesel | $5.42 | $7.91 | $15.81 |
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 · May 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.