How far is Slidell, LA from Zachary, LA?
The driving distance from Slidell, LA to Zachary, LA is about 107 miles (172.2 km), with a travel time of about 01h 45m by car.
- The straight-line flight distance is about 85.9 miles (138.2 km).
- For a round trip, plan for roughly 03h 30m 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 45m.
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 Slidell and Zachary.
Turn-by-Turn Driving Directions
Step-by-step road directions between Slidell and Zachary.
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1
Start on Bouscaren Street
67 m · 15 sec · Bouscaren Street
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2
Turn left onto 3rd Street
845 ft · 24 sec · 3rd Street
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3
Turn left onto Fremaux Avenue
723 ft · 21 sec · Fremaux Avenue
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4
Turn right onto Front Street
1 km · 1 min · Front Street
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5
Turn left onto Gause Boulevard West
3 mi · 5 min · Gause Boulevard West
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6
Turn right onto Northshore Boulevard
1.1 km · 1 min · Northshore Boulevard
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7
Continue on Airport Road
1520 ft · 29 sec · Airport Road
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8
Take the ramp left
1862 ft · 45 sec
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9
Merge slight left onto West Florida Republic Parkway
72.9 mi · 1 hr 18 min · West Florida Republic Parkway
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10
Take the exit slight right toward O'Neal Lane
1018 ft · 25 sec
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11
Keep slight right to continue on O'Neal Lane
84 m · 7 sec
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12
Turn right onto O'Neal Lane
1.2 mi · 2 min · O'Neal Lane
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13
Continue on O Neal Lane
2431 ft · 43 sec · O Neal Lane
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14
Continue on Central Throughway
1233 ft · 21 sec · Central Throughway
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15
Continue on Central Thruway
871 ft · 14 sec · Central Thruway
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16
Continue on Central Throughway
3.6 mi · 5 min · Central Throughway
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17
Continue on Sullivan Road
3.2 mi · 6 min · Sullivan Road
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18
Enter the roundabout and take exit 1 toward Sullivan Road
22 m · 1 sec · Sullivan Road
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19
Exit the roundabout onto Sullivan Road
1.1 km · 1 min · Sullivan Road
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20
At the end of the road, turn right onto Joor Road
4.2 mi · 6 min · Joor Road
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21
At the end of the road, turn left onto Greenwell Spg Pt Hudson Road
2.7 mi · 4 min · Greenwell Spg Pt Hudson Road
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22
Continue on Zachary Deerford Road
3.1 mi · 4 min · Zachary Deerford Road
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23
Turn straight onto Main Street
1.1 mi · 2 min · Main Street
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24
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Slidell and Zachary.
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
72.9 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 Slidell and Sunny near Zachary.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Slidell to Zachary?
The road trip is about 107 miles (172.2 km) and usually takes 01h 45m 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 49.5 miles from Slidell and 57.5 miles from Zachary.
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 21.1 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 3:00 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.31 one way or $28.63 round trip. Estimated CO2 is about 33.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Slidell and Sunny near Zachary.
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 Slidell and Zachary. Straight-line distance: 85.87 mi (138.2 km).
#1 Slidell
City in Louisiana
| Population | 27,541 |
| Coordinates | 30.2751900, -89.7811700 |
| Altitude | 1 |
| Country | United States |
#2 Zachary
City in Louisiana, United States
| Population | 18,417 |
| Coordinates | 30.6485200, -91.1565000 |
| Altitude | 31 |
| Country | United States |
End: Main Street (-91.156505, 30.648487)
Estimated Travel Time
Distance: 172 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 33m |
| 40 mph (64.37 km/h) | 02h 40m |
| 50 mph (80.47 km/h) | 02h 08m |
| 60 mph (96.56 km/h) | 01h 46m |
| 70 mph (112.65 km/h) | 01h 31m |
| 80 mph (129 km/h) | 01h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $14.31 | $28.63 |
| Mid-grade | $4.26 | $16.10 | $32.20 |
| Premium | $4.63 | $17.48 | $34.96 |
| Diesel | $5.42 | $20.47 | $40.94 |
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.