How far is Sulphur, LA from Youngsville, LA?
The driving distance from Sulphur, LA to Youngsville, LA is about 91.5 miles (147.2 km), with a travel time of about 01h 52m by car.
- The straight-line flight distance is about 83.4 miles (134.2 km).
- For a round trip, plan for roughly 03h 44m 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 52m.
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 Louisiana, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Areas Of Fog then Sunny
Driving Route Map
The map below follows the saved road route between Sulphur and Youngsville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sulphur and Youngsville.
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1
Start on East Napoleon Street
6 mi · 9 min · East Napoleon Street
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2
Take the ramp straight
18.6 mi · 22 min
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3
Continue straight
51.8 mi · 56 min
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4
Take the exit slight right toward LA 93: Cankton, Scott
1731 ft · 42 sec
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5
Turn right onto Saint Mary Street
143 m · 10 sec · Saint Mary Street
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6
Enter the roundabout and take exit 1 toward the route
7 m · 1 sec
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7
Exit the roundabout
2.7 mi · 5 min
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8
Enter the roundabout and take exit 2 toward Rue de Belier
36 m · 2 sec · Rue de Belier
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9
Exit the roundabout onto Rue de Belier
854 ft · 17 sec · Rue de Belier
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10
Continue on Rue du Belier
1.8 mi · 3 min · Rue du Belier
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11
Enter the roundabout and take exit 3 toward Ridge Road
71 m · 5 sec · Ridge Road
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12
Exit the roundabout onto Ridge Road
1 mi · 1 min · Ridge Road
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13
Turn right onto Ambassador Caffery Parkway
6.4 mi · 10 min · Ambassador Caffery Parkway
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14
Turn right onto Youngsville Highway
1.5 km · 2 min · Youngsville Highway
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15
Keep slight right to continue on Youngsville Highway
1.4 km · 2 min · Youngsville Highway
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16
Continue on Lafayette Street
2601 ft · 55 sec · Lafayette Street
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17
Enter the roundabout and take exit 2 toward the route
26 m · 2 sec
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18
Exit the roundabout
42 m · 6 sec
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19
Continue on Lafayette Street
689 ft · 14 sec · Lafayette Street
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20
Arrive at your destination
0 m · 1 sec · Lafayette Street
Car Route Details
A richer read on the saved driving route between Sulphur and Youngsville.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
East Napoleon Street
Continue straight
51.8 mi · 00h 56m
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.
Mostly Sunny leaving Sulphur and Areas Of Fog then Sunny near Youngsville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sulphur to Youngsville?
The road trip is about 91.5 miles (147.2 km) and usually takes 01h 52m 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?
Jennings is a useful midpoint, sitting about 45.7 miles from Sulphur and 45.8 miles from Youngsville.
How much longer is the road route than the straight-line distance?
The direct path is about 83.4 miles (134.2 km), while the road route adds roughly 8.1 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 2:46 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.64 one way or $25.27 round trip. Estimated CO2 is about 28.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Sulphur and Areas Of Fog then Sunny near Youngsville.
Stop Ideas Near Jennings
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 Jennings.
Lake Charles
Lafayette
New Iberia
Flight Path Map
This map shows the direct air route between Sulphur and Youngsville. Straight-line distance: 83.41 mi (134.23 km).
#1 Sulphur
Suburb city of Lake Charles, located in Calcasieu Parish, Louisiana, United States
| Population | 20,120 |
| Coordinates | 30.2365900, -93.3773800 |
| Altitude | 5 |
| 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: 147 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 02m |
| 40 mph (64.37 km/h) | 02h 17m |
| 50 mph (80.47 km/h) | 01h 49m |
| 60 mph (96.56 km/h) | 01h 31m |
| 70 mph (112.65 km/h) | 01h 18m |
| 80 mph (129 km/h) | 01h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.91 | $12.64 | $25.27 |
| Mid-grade | $4.38 | $14.13 | $28.27 |
| Premium | $4.78 | $15.44 | $30.89 |
| Diesel | $5.82 | $18.81 | $37.62 |
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