How far is Mandeville, LA from Slidell, LA?
The driving distance from Mandeville, LA to Slidell, LA is about 22.5 miles (36.2 km), with a travel time of about 00h 28m by car.
- The straight-line flight distance is about 17.9 miles (28.8 km).
- For a round trip, plan for roughly 00h 57m 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 28m.
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.
Town of the 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 Mandeville and Slidell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mandeville and Slidell.
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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
1.3 mi · 3 min · Girod Street
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3
Turn right
3.1 mi · 6 min
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4
Take the ramp right toward I 12 East: Slidell
2126 ft · 52 sec
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5
Merge slight left onto West Florida Republic Parkway
11.5 mi · 12 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 Mandeville 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.
West Florida Republic Parkway
Merge slight left onto West Florida Republic Parkway
11.5 mi · 00h 12m
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.
Showers And Thunderstorms then Chance Showers And Thunderstorms leaving Mandeville and Showers And Thunderstorms then Chance Showers And Thunderstorms near Slidell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mandeville to Slidell?
The road trip is about 22.5 miles (36.2 km) and usually takes 00h 28m 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?
Pearl River is a useful midpoint, sitting about 10.7 miles from Mandeville and 11.8 miles from Slidell.
How much longer is the road route than the straight-line distance?
The direct path is about 17.9 miles (28.8 km), while the road route adds roughly 4.6 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 7:32 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.99 one way or $5.98 round trip. Estimated CO2 is about 7 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms then Chance Showers And Thunderstorms around Mandeville and Showers And Thunderstorms then Chance Showers And Thunderstorms near Slidell.
Stop Ideas Near Pearl River
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 Pearl River.
Slidell
Picayune
New Orleans Union Passenger Terminal
Gulfport, MS
Flight Path Map
This map shows the direct air route between Mandeville and Slidell. Straight-line distance: 17.91 mi (28.82 km).
#1 Mandeville
Town in Louisiana, USA
| Population | 12,559 |
| Coordinates | 30.3582500, -90.0656300 |
| Altitude | 2 |
| 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: 36 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 44m |
| 40 mph (64.37 km/h) | 00h 33m |
| 50 mph (80.47 km/h) | 00h 26m |
| 60 mph (96.56 km/h) | 00h 22m |
| 70 mph (112.65 km/h) | 00h 19m |
| 80 mph (129 km/h) | 00h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $2.99 | $5.98 |
| Mid-grade | $4.26 | $3.36 | $6.73 |
| Premium | $4.63 | $3.65 | $7.31 |
| Diesel | $5.42 | $4.28 | $8.56 |
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.