How far is Youngsville, LA from Slidell, LA?
The driving distance from Youngsville, LA to Slidell, LA is about 154.4 miles (248.5 km), with a travel time of about 02h 38m by car.
- The straight-line flight distance is about 132.5 miles (213.2 km).
- For a round trip, plan for roughly 05h 16m 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 38m.
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 Youngsville and Slidell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Youngsville and Slidell.
-
1
Start on Lafayette Street
823 ft · 20 sec · Lafayette Street
-
2
Enter the roundabout and take exit 2 toward the route
31 m · 2 sec
-
3
Exit the roundabout
34 m · 5 sec
-
4
Continue on Lafayette Street
2483 ft · 50 sec · Lafayette Street
-
5
Continue on Youngsville Highway
1.4 km · 2 min · Youngsville Highway
-
6
Keep slight right to continue on Youngsville Highway
2.7 mi · 5 min · Youngsville Highway
-
7
Continue on Southpark Road
1.6 km · 2 min · Southpark Road
-
8
Turn left onto Southwest Evangeline Thruway
2476 ft · 38 sec · Southwest Evangeline Thruway
-
9
Continue on Southeast Evangeline Thruway
3.8 mi · 6 min · Southeast Evangeline Thruway
-
10
Turn right onto Louisiana Avenue
3.3 mi · 5 min · Louisiana Avenue
-
11
Take the ramp right
1930 ft · 47 sec
-
12
Merge slight left
54.3 mi · 1 hr 3 min
-
13
Take the exit slight left toward I 12 East: Hammond
1.3 km · 2 min
-
14
Continue on West Florida Republic Parkway
79.5 mi · 1 hr 26 min · West Florida Republic Parkway
-
15
Take the exit slight right toward Airport Drive, North Shore Boulevard
2028 ft · 51 sec
-
16
Turn right onto Northshore Boulevard
3233 ft · 1 min · Northshore Boulevard
-
17
At the end of the road, turn left onto Gause Boulevard West
3 mi · 5 min · Gause Boulevard West
-
18
Turn right onto Front Street
1 km · 1 min · Front Street
-
19
Turn left onto Fremaux Avenue
723 ft · 19 sec · Fremaux Avenue
-
20
Turn right onto 3rd Street
845 ft · 19 sec · 3rd Street
-
21
Turn right onto Bouscaren Street
67 m · 10 sec · Bouscaren Street
-
22
Arrive at your destination
0 m · 1 sec · Bouscaren Street
Car Route Details
A richer read on the saved driving route between Youngsville and Slidell.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
West Florida Republic Parkway
Continue on West Florida Republic Parkway
79.5 mi · 01h 26m
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 Youngsville and Partly Sunny near Slidell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Youngsville to Slidell?
The road trip is about 154.4 miles (248.5 km) and usually takes 02h 38m 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 76.3 miles from Youngsville and 78.1 miles from Slidell.
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 21.9 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 1:14 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.64 one way or $41.28 round trip. Estimated CO2 is about 48.4 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Youngsville and Partly Sunny near Slidell.
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 Youngsville and Slidell. Straight-line distance: 132.48 mi (213.21 km).
#1 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 |
#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: 249 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 08m |
| 40 mph (64.37 km/h) | 03h 51m |
| 50 mph (80.47 km/h) | 03h 05m |
| 60 mph (96.56 km/h) | 02h 34m |
| 70 mph (112.65 km/h) | 02h 12m |
| 80 mph (129 km/h) | 01h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $20.64 | $41.28 |
| Mid-grade | $4.26 | $23.21 | $46.42 |
| Premium | $4.63 | $25.21 | $50.41 |
| Diesel | $5.42 | $29.51 | $59.02 |
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.