How far is Harvey, LA from Slidell, LA?
The driving distance from Harvey, LA to Slidell, LA is about 39.8 miles (64 km), with a travel time of about 00h 46m by car.
- The straight-line flight distance is about 31.2 miles (50.2 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.
Sunny
Driving Route Map
The map below follows the saved road route between Harvey and Slidell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Harvey and Slidell.
-
1
Start on 8th Street
599 ft · 22 sec · 8th Street
-
2
Turn right onto Brown Avenue
1644 ft · 1 min · Brown Avenue
-
3
Turn left onto Westbank Expressway
2892 ft · 60 sec · Westbank Expressway
-
4
Take the ramp straight toward US 90 Business East
1409 ft · 34 sec
-
5
Merge slight left onto Westbank Expressway
3.6 mi · 5 min · Westbank Expressway
-
6
Continue on Crescent City Connection
1 km · 58 sec · Crescent City Connection
-
7
Continue on Pontchartrain Expressway
1.7 mi · 2 min · Pontchartrain Expressway
-
8
Take the exit slight right toward I 10 East: Slidell
1656 ft · 40 sec
-
9
Merge slight left onto I 10 East: Slidell
28.6 mi · 33 min
-
10
Take the exit slight right toward LA 433: Old Spanish Trail
1064 ft · 30 sec
-
11
Turn left onto Old Spanish Trail
1.7 mi · 3 min · Old Spanish Trail
-
12
Turn sharp right onto Sergeant Alfred Drive
1.1 km · 1 min · Sergeant Alfred Drive
-
13
Continue on 3rd Street
837 ft · 22 sec · 3rd Street
-
14
Turn left onto Bouscaren Street
67 m · 10 sec · Bouscaren Street
-
15
Arrive at your destination
0 m · 1 sec · Bouscaren Street
Car Route Details
A richer read on the saved driving route between Harvey and Slidell.
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 East
Merge slight left onto I 10 East: Slidell
28.6 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.
Patchy Fog leaving Harvey and Sunny near Slidell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Harvey to Slidell?
The road trip is about 39.8 miles (64 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 19.4 miles from Harvey and 20.4 miles from Slidell.
How much longer is the road route than the straight-line distance?
The direct path is about 31.2 miles (50.2 km), while the road route adds roughly 8.6 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 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 $5.52 one way or $11.03 round trip. Estimated CO2 is about 12.5 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Fog around Harvey and Sunny near Slidell.
Flight Path Map
This map shows the direct air route between Harvey and Slidell. Straight-line distance: 31.19 mi (50.19 km).
#1 Harvey
Harvey is a place in Louisiana, United States.
| Population | 0 |
| Coordinates | 29.9035400, -90.0772900 |
| 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: 64 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 19m |
| 40 mph (64.37 km/h) | 00h 59m |
| 50 mph (80.47 km/h) | 00h 47m |
| 60 mph (96.56 km/h) | 00h 39m |
| 70 mph (112.65 km/h) | 00h 34m |
| 80 mph (129 km/h) | 00h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.91 | $5.52 | $11.03 |
| Mid-grade | $4.38 | $6.17 | $12.34 |
| Premium | $4.78 | $6.74 | $13.48 |
| Diesel | $5.82 | $8.21 | $16.42 |
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