How far is Chalmette, LA from Slidell, LA?
The driving distance from Chalmette, LA to Slidell, LA is about 28.8 miles (46.4 km), with a travel time of about 00h 31m by car.
- The straight-line flight distance is about 25.5 miles (41 km).
- For a round trip, plan for roughly 01h 02m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 31m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Census-designated place in St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Chalmette and Slidell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Chalmette and Slidell.
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1
Start on West Judge Perez Drive
554 ft · 21 sec · West Judge Perez Drive
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2
Turn left onto Paris Road
5.2 mi · 7 min · Paris Road
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3
Continue on I 510
2.7 mi · 3 min · I 510
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4
Take the exit slight right toward I 10: New Orleans, Slidell
1086 ft · 26 sec
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5
Keep slight right to continue on I 10 East: Slidell
2023 ft · 49 sec
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6
Merge slight left
16.3 mi · 18 min
-
7
Take the exit slight right toward LA 433: Old Spanish Trail
1064 ft · 30 sec
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8
Turn left onto Old Spanish Trail
1.7 mi · 3 min · Old Spanish Trail
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9
Turn sharp right onto Sergeant Alfred Drive
1.1 km · 1 min · Sergeant Alfred Drive
-
10
Continue on 3rd Street
837 ft · 22 sec · 3rd Street
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11
Turn left onto Bouscaren Street
67 m · 10 sec · Bouscaren Street
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12
Arrive at your destination
0 m · 1 sec · Bouscaren Street
Car Route Details
A richer read on the saved driving route between Chalmette and Slidell.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
I 10 East
Merge slight left
16.3 mi · 00h 18m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Clear leaving Chalmette 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 Chalmette to Slidell?
The road trip is about 28.8 miles (46.4 km) and usually takes 00h 31m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Eden Isle is a useful midpoint, sitting about 13.9 miles from Chalmette and 15 miles from Slidell.
How much longer is the road route than the straight-line distance?
The direct path is about 25.5 miles (41 km), while the road route adds roughly 3.3 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:28 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.86 one way or $7.73 round trip. Estimated CO2 is about 9.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Chalmette and Mostly Sunny near Slidell.
Stop Ideas Near Eden Isle
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 Eden Isle.
Slidell
Picayune
New Orleans Union Passenger Terminal
Hammond
Flight Path Map
This map shows the direct air route between Chalmette and Slidell. Straight-line distance: 25.46 mi (40.97 km).
#1 Chalmette
Census designated place
| Population | 16,751 |
| Coordinates | 29.9429600, -89.9653700 |
| Altitude | 1 |
| 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: 46 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 57m |
| 40 mph (64.37 km/h) | 00h 43m |
| 50 mph (80.47 km/h) | 00h 34m |
| 60 mph (96.56 km/h) | 00h 28m |
| 70 mph (112.65 km/h) | 00h 24m |
| 80 mph (129 km/h) | 00h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $3.86 | $7.73 |
| Mid-grade | $4.26 | $4.34 | $8.69 |
| Premium | $4.63 | $4.72 | $9.44 |
| Diesel | $5.42 | $5.52 | $11.05 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.