How far is Slidell, LA from Plaquemine, LA?
The driving distance from Slidell, LA to Plaquemine, LA is about 103.1 miles (166 km), with a travel time of about 02h 01m by car.
- The straight-line flight distance is about 86.7 miles (139.6 km).
- For a round trip, plan for roughly 04h 03m 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 02h 01m.
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.
Widespread Fog then Sunny
Driving Route Map
The map below follows the saved road route between Slidell and Plaquemine.
Turn-by-Turn Driving Directions
Step-by-step road directions between Slidell and Plaquemine.
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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
80.3 mi · 1 hr 27 min · West Florida Republic Parkway
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10
Merge slight right
3.6 mi · 4 min
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11
Keep slight left
1.9 mi · 3 min
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12
Take the exit slight right toward LA 1 North, LA 1 South: Port Allen, Plaquemine
927 ft · 23 sec
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13
Keep slight left to continue on LA 1 South: Plaquemine
742 ft · 25 sec
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14
Keep slight left to continue on LA 1 South: Plaquemine
963 ft · 33 sec
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15
Merge slight left onto Highway 1 South
11.5 mi · 17 min · Highway 1 South
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16
Turn slight right onto Eden Street
534 ft · 21 sec · Eden Street
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17
Turn left onto Plaquemine Street
1 m · 1 sec · Plaquemine Street
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18
Arrive at your destination
0 m · 1 sec · Plaquemine Street
Car Route Details
A richer read on the saved driving route between Slidell and Plaquemine.
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
80.3 mi · 01h 27m
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 Widespread Fog then Sunny near Plaquemine.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Slidell to Plaquemine?
The road trip is about 103.1 miles (166 km) and usually takes 02h 01m 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 51.5 miles from Slidell and 51.6 miles from Plaquemine.
How much longer is the road route than the straight-line distance?
The direct path is about 86.7 miles (139.6 km), while the road route adds roughly 16.4 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 2:26 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.24 one way or $28.48 round trip. Estimated CO2 is about 32.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Slidell and Widespread Fog then Sunny near Plaquemine.
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 Plaquemine. Straight-line distance: 86.75 mi (139.61 km).
#1 Slidell
City in Louisiana
| Population | 27,541 |
| Coordinates | 30.2751900, -89.7811700 |
| Altitude | 1 |
| Country | United States |
#2 Plaquemine
City in Louisiana
| Population | 6,384 |
| Coordinates | 30.2900500, -91.2349700 |
| Altitude | 7 |
| Country | United States |
End: Plaquemine (-91.23497, 30.29005)
Estimated Travel Time
Distance: 166 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 26m |
| 40 mph (64.37 km/h) | 02h 34m |
| 50 mph (80.47 km/h) | 02h 03m |
| 60 mph (96.56 km/h) | 01h 43m |
| 70 mph (112.65 km/h) | 01h 28m |
| 80 mph (129 km/h) | 01h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.91 | $14.24 | $28.48 |
| Mid-grade | $4.38 | $15.93 | $31.86 |
| Premium | $4.78 | $17.40 | $34.81 |
| Diesel | $5.82 | $21.20 | $42.39 |
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