How far is Slidell, LA from Gretna, LA?
The driving distance from Slidell, LA to Gretna, LA is about 37 miles (59.6 km), with a travel time of about 00h 46m by car.
- The straight-line flight distance is about 29.8 miles (47.9 km).
- For a round trip, plan for roughly 01h 33m 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 46m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Slidell and Gretna.
Turn-by-Turn Driving Directions
Step-by-step road directions between Slidell and Gretna.
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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
2 mi · 3 min · Westbank Expressway
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12
Take the exit slight right toward Stumpf Boulevard
1396 ft · 34 sec
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13
Turn straight onto Westbank Expressway
2603 ft · 60 sec · Westbank Expressway
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14
Turn right
759 ft · 38 sec
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15
At the end of the road, turn left onto 11th Street
20 m · 5 sec · 11th Street
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16
Turn right onto Richard Street
52 m · 7 sec · Richard Street
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17
Arrive at your destination
0 m · 1 sec · Richard Street
Car Route Details
A richer read on the saved driving route between Slidell and Gretna.
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.
Mostly Sunny leaving Slidell and Mostly Sunny near Gretna.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Slidell to Gretna?
The road trip is about 37 miles (59.6 km) and usually takes 00h 46m 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?
Chalmette is a useful midpoint, sitting about 18.5 miles from Slidell and 18.5 miles from Gretna.
How much longer is the road route than the straight-line distance?
The direct path is about 29.8 miles (47.9 km), while the road route adds roughly 7.2 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 4:56 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.96 one way or $9.92 round trip. Estimated CO2 is about 11.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Slidell and Mostly Sunny near Gretna.
Flight Path Map
This map shows the direct air route between Slidell and Gretna. Straight-line distance: 29.78 mi (47.92 km).
#1 Slidell
City in Louisiana
| Population | 27,541 |
| Coordinates | 30.2751900, -89.7811700 |
| Altitude | 1 |
| 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: 60 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 14m |
| 40 mph (64.37 km/h) | 00h 55m |
| 50 mph (80.47 km/h) | 00h 44m |
| 60 mph (96.56 km/h) | 00h 37m |
| 70 mph (112.65 km/h) | 00h 31m |
| 80 mph (129 km/h) | 00h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $4.96 | $9.92 |
| Mid-grade | $4.26 | $5.58 | $11.16 |
| Premium | $4.63 | $6.06 | $12.12 |
| Diesel | $5.42 | $7.09 | $14.19 |
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.