How far is Zachary, LA from Slidell, LA?
The driving distance from Zachary, LA to Slidell, LA is about 98.2 miles (158 km), with a travel time of about 01h 50m by car.
- The straight-line flight distance is about 85.9 miles (138.2 km).
- For a round trip, plan for roughly 03h 41m 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 01h 50m.
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.
Human settlement in Louisiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Zachary and Slidell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Zachary and Slidell.
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1
Start on Main Street
3.1 mi · 5 min · Main Street
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2
Continue on Zachary Deerford Road
1.1 mi · 2 min · Zachary Deerford Road
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3
Continue on Greenwell Spg Pt Hudson Road
2.7 mi · 4 min · Greenwell Spg Pt Hudson Road
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4
Turn slight right
28 m · 3 sec
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5
Turn right onto Joor Road
4.2 mi · 6 min · Joor Road
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6
Turn left onto Sullivan Road
1.1 km · 1 min · Sullivan Road
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7
Enter the roundabout and take exit 2 toward Sullivan Road
22 m · 1 sec · Sullivan Road
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8
Exit the roundabout onto Sullivan Road
3.2 mi · 6 min · Sullivan Road
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9
Continue on Central Throughway
4 mi · 6 min · Central Throughway
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10
Continue on O Neal Lane
2486 ft · 46 sec · O Neal Lane
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11
Continue on O'Neal Lane
1.3 mi · 2 min · O'Neal Lane
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12
Turn left onto I 12 East: Hammond
1380 ft · 40 sec
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13
Merge slight left onto West Florida Republic Parkway
73 mi · 1 hr 18 min · West Florida Republic Parkway
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14
Take the exit slight right toward Airport Drive, North Shore Boulevard
2028 ft · 51 sec
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15
Turn right onto Northshore Boulevard
3233 ft · 1 min · Northshore Boulevard
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16
At the end of the road, turn left onto Gause Boulevard West
3 mi · 5 min · Gause Boulevard West
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17
Turn right onto Front Street
1 km · 1 min · Front Street
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18
Turn left onto Fremaux Avenue
723 ft · 19 sec · Fremaux Avenue
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19
Turn right onto 3rd Street
845 ft · 19 sec · 3rd Street
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20
Turn right onto Bouscaren Street
67 m · 10 sec · Bouscaren Street
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21
Arrive at your destination
0 m · 1 sec · Bouscaren Street
Car Route Details
A richer read on the saved driving route between Zachary 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.
West Florida Republic Parkway
Merge slight left onto West Florida Republic Parkway
73 mi · 01h 18m
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.
Sunny leaving Zachary and Sunny near Slidell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Zachary to Slidell?
The road trip is about 98.2 miles (158 km) and usually takes 01h 50m 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?
Albany is a useful midpoint, sitting about 49.4 miles from Zachary and 48.8 miles from Slidell.
How much longer is the road route than the straight-line distance?
The direct path is about 85.9 miles (138.2 km), while the road route adds roughly 12.3 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 2:48 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.14 one way or $26.28 round trip. Estimated CO2 is about 30.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Zachary and Sunny near Slidell.
Stop Ideas Near Albany
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 Albany.
Hammond
Baton Rouge, Louisiana
New Orleans Union Passenger Terminal
Slidell
Flight Path Map
This map shows the direct air route between Zachary and Slidell. Straight-line distance: 85.87 mi (138.2 km).
#1 Zachary
City in Louisiana, United States
| Population | 18,417 |
| Coordinates | 30.6485200, -91.1565000 |
| Altitude | 31 |
| 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: 158 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 16m |
| 40 mph (64.37 km/h) | 02h 27m |
| 50 mph (80.47 km/h) | 01h 57m |
| 60 mph (96.56 km/h) | 01h 38m |
| 70 mph (112.65 km/h) | 01h 24m |
| 80 mph (129 km/h) | 01h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $13.14 | $26.28 |
| Mid-grade | $4.26 | $14.78 | $29.56 |
| Premium | $4.63 | $16.05 | $32.10 |
| Diesel | $5.42 | $18.79 | $37.58 |
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 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.