How far is Slidell, LA from Youngsville, LA?
The driving distance from Slidell, LA to Youngsville, LA is about 153.1 miles (246.4 km), with a travel time of about 03h 00m by car.
- The straight-line flight distance is about 132.5 miles (213.2 km).
- For a round trip, plan for roughly 06h 00m 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 03h 00m.
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.
City in Livingston Parish, Louisiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Slidell and Youngsville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Slidell and Youngsville.
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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
50.6 mi · 58 min
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12
Take the exit slight right toward Louisiana Avenue, Johnston Street
1918 ft · 49 sec
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13
Turn left onto Louisiana Avenue
3.5 mi · 6 min · Louisiana Avenue
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14
Turn left
4.3 mi · 6 min
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15
Turn right onto Southpark Road
1.6 km · 2 min · Southpark Road
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16
Continue on Youngsville Highway
2.7 mi · 5 min · Youngsville Highway
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17
Keep slight right to continue on Youngsville Highway
1.4 km · 2 min · Youngsville Highway
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18
Continue on Lafayette Street
2601 ft · 55 sec · Lafayette Street
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19
Enter the roundabout and take exit 2 toward the route
26 m · 2 sec
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20
Exit the roundabout
42 m · 6 sec
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21
Continue on Lafayette Street
689 ft · 14 sec · Lafayette Street
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22
Arrive at your destination
0 m · 1 sec · Lafayette Street
Car Route Details
A richer read on the saved driving route between Slidell and Youngsville.
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.
Partly Sunny leaving Slidell and Partly Sunny near Youngsville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Slidell to Youngsville?
The road trip is about 153.1 miles (246.4 km) and usually takes 03h 00m 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?
Denham Springs is a useful midpoint, sitting about 76.5 miles from Slidell and 76.7 miles from Youngsville.
How much longer is the road route than the straight-line distance?
The direct path is about 132.5 miles (213.2 km), while the road route adds roughly 20.6 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 12:30 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.45 one way or $40.90 round trip. Estimated CO2 is about 48 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Slidell and Partly Sunny near Youngsville.
Stop Ideas Near Denham Springs
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Plaza
Port Vincent Clerks Office
Baker Utility Office
Baker Municipal Center Auditorium
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Denham Springs.
Baton Rouge, Louisiana
Hammond
Schriever
McComb
Flight Path Map
This map shows the direct air route between Slidell and Youngsville. Straight-line distance: 132.48 mi (213.21 km).
#1 Slidell
City in Louisiana
| Population | 27,541 |
| Coordinates | 30.2751900, -89.7811700 |
| Altitude | 1 |
| Country | United States |
#2 Youngsville
Suburb city of Lafayette, located in Lafayette Parish, Louisiana, United States of America
| Population | 15,262 |
| Coordinates | 30.0996500, -91.9901200 |
| Altitude | 9 |
| Country | United States |
End: Youngsville (-91.99012, 30.09965)
Estimated Travel Time
Distance: 246 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 06m |
| 40 mph (64.37 km/h) | 03h 49m |
| 50 mph (80.47 km/h) | 03h 03m |
| 60 mph (96.56 km/h) | 02h 33m |
| 70 mph (112.65 km/h) | 02h 11m |
| 80 mph (129 km/h) | 01h 54m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $20.45 | $40.90 |
| Mid-grade | $4.26 | $23.00 | $46.00 |
| Premium | $4.63 | $24.98 | $49.95 |
| Diesel | $5.42 | $29.24 | $58.48 |
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 · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.