How far is Slidell, LA from Ouachita Parish, LA?
The driving distance from Slidell, LA to Ouachita Parish, LA is about 269.8 miles (434.2 km), with a travel time of about 05h 07m by car.
- The straight-line flight distance is about 206.8 miles (332.8 km).
- For a round trip, plan for roughly 10h 15m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 05h 07m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Largest city and the parish seat of Concordia Parish, Louisiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Areas Of Fog then Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Slidell and Ouachita Parish.
Turn-by-Turn Driving Directions
Step-by-step road directions between Slidell and Ouachita Parish.
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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
41.7 mi · 45 min · West Florida Republic Parkway
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10
Take the exit slight right toward I 55: Jackson
2308 ft · 56 sec
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11
Merge slight left onto Congressman Jimmy Morrison Highway
56.4 mi · 1 hr · Congressman Jimmy Morrison Highway
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12
Take the exit slight right
29.3 mi · 34 min
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13
At the end of the road, turn left
1.2 km · 53 sec
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14
Take the exit left
1612 ft · 46 sec
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15
Merge slight left
28.2 mi · 33 min
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16
Keep slight left
6 mi · 7 min
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17
Take the exit slight right
13.2 mi · 16 min
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18
Continue on E. E. Wallace Boulevard North
63.2 mi · 1 hr 13 min · E. E. Wallace Boulevard North
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19
Turn left
1459 ft · 36 sec
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20
Merge slight left
22 mi · 24 min
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21
Take the exit slight right toward LA 34
114 m · 9 sec
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22
Keep slight left to continue on LA 34 South
1501 ft · 37 sec
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23
Keep slight right to continue on LA 34 South
1291 ft · 31 sec
-
24
Turn straight onto Stella Street
2068 ft · 37 sec · Stella Street
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25
Continue on Jonesboro Road
1.1 mi · 2 min · Jonesboro Road
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26
Continue on Jonesboro Road
3213 ft · 56 sec · Jonesboro Road
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27
Arrive at your destination
0 m · 1 sec · Jonesboro Road
Car Route Details
A richer read on the saved driving route between Slidell and Ouachita Parish.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
E. E. Wallace Boulevard North
Continue on E. E. Wallace Boulevard North
63.2 mi · 01h 13m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Areas Of Fog then Mostly Sunny leaving Slidell and Sunny near Ouachita Parish.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Slidell to Ouachita Parish?
The road trip is about 269.8 miles (434.2 km) and usually takes 05h 07m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Vidalia is a useful midpoint, sitting about 135 miles from Slidell and 134.9 miles from Ouachita Parish.
How much longer is the road route than the straight-line distance?
The direct path is about 206.8 miles (332.8 km), while the road route adds roughly 63 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 6:44 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $37.45 one way or $74.90 round trip. Estimated CO2 is about 84.6 kg one way.
What should you check before leaving?
Before you leave, expect Areas Of Fog then Mostly Sunny around Slidell and Sunny near Ouachita Parish.
Stop Ideas Near Vidalia
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 Vidalia.
Brookhaven
Vicksburg, MS
McComb
Hazlehurst station
Flight Path Map
This map shows the direct air route between Slidell and Ouachita Parish. Straight-line distance: 206.81 mi (332.83 km).
#1 Slidell
City in Louisiana
| Population | 27,541 |
| Coordinates | 30.2751900, -89.7811700 |
| Altitude | 1 |
| Country | United States |
#2 Ouachita Parish
Parish in Louisiana, United States
| Population | 152,439 |
| Coordinates | 32.4783100, -92.1548700 |
| Altitude | 22 |
| Country | United States |
End: Ouachita Parish (-92.15487, 32.47831)
Estimated Travel Time
Distance: 434 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 59m |
| 40 mph (64.37 km/h) | 06h 44m |
| 50 mph (80.47 km/h) | 05h 23m |
| 60 mph (96.56 km/h) | 04h 29m |
| 70 mph (112.65 km/h) | 03h 51m |
| 80 mph (129 km/h) | 03h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.93 | $37.45 | $74.90 |
| Mid-grade | $4.39 | $41.79 | $83.59 |
| Premium | $4.80 | $45.66 | $91.32 |
| Diesel | $5.80 | $55.25 | $110.51 |
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 13, 2026