Origin
Sulphur, LA
Afternoon in Sulphur on Sunday
Local time
2:45 PM
CDT
Current temp
85°F
Unavailable
Live forecast
Trip from Sulphur, LA to Baton Rouge, LA
Drive Time
2h 34m
Distance
135.1 mi
217 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$21
one way
Sulphur, LA
Jean-Paul Wettstein
Trip Overview
Spanning 135.1 miles across Southeast Louisiana, the drive from Sulphur to Baton Rouge is a straightforward journey typically taking about 2 hours and 34 minutes. Because of the manageable duration, this route is perfectly suited for a single-day trip, allowing you to reach your destination without the need for an overnight stay. You should budget approximately $21 for fuel to complete the transit. The path keeps you within the Southeast region, ensuring the landscape remains consistent as you move between cities. It is a highly practical connection for those looking to travel between these two hubs efficiently. Ultimately, this trip provides a reliable, uncomplicated way to traverse this part of the state.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
67.6 miles from Sulphur, LA
A natural place for your longest stop of the day , about 1h 18m into the drive .
Drive Character
Expect a highway-focused experience, as 95% of your travel takes place on major thoroughfares. You will spend the vast majority of your time on I-10, which accounts for a 109.4-mile stretch of the journey, offering a predictable and fast-paced environment. While the route also utilizes US 90 and East Napoleon Street, these sections serve as transitions rather than the bulk of your driving time. Behind the wheel, you will find a consistent rhythm, as the interstate dominates the scenery. This is a classic, high-speed regional connection that prioritizes speed and direct access over winding backroads.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 10 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 10 is the longest continuous segment at about 109.4 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 10 and US 90. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near US 90 / East Napoleon Street.
Route Complexity
3/10
Easy - simple navigation with a manageable amount of wheel time
This is a straightforward 2h 34m drive. You will face about 5 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start (US 90 / East Napoleon Street): Lane positioning matters here; at 134 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 134.4 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Critical Maneuvers
5 of 5 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
4
0 mi into trip
|
~0m in
|
US 90 / East Napoleon Street
Depart onto US 90 / East Napoleon Street
Lane positioning matters here
Use the straight lane.
7
134 mi into trip
|
~2h 31m in
Take the exit toward LA 30
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 155A
Toward LA 30
6
134.4 mi into trip
|
~2h 32m in
Keep slight right at fork
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
4
134.5 mi into trip
|
~2h 32m in
|
LA 30 / Nicholson Drive
Turn right onto LA 30 / Nicholson Drive
Navigation decision point
5
135.1 mi into trip
|
~2h 34m in
|
Government Street
Turn right onto Government Street
Navigation decision point
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 10 | 109.4 mi | 2h |
| US 90 | 18.6 mi | 21m |
| East Napoleon Street | 6 mi | 9m |
| Nicholson Drive | 0.3 mi | <1m |
| Saint Louis Street | 0.3 mi | <1m |
| Oklahoma Street | <0.1 mi | <1m |
| Government Street | <0.1 mi | Refreshing |
Per-road distance and duration are being refreshed from OSRM for this route.
Longest stretch:
I 10
— 109.4 mi, about 2h
Turn-by-Turn Driving Directions
Step-by-step road directions between Sulphur, LA and Baton Rouge, LA.
1
Start on US 90
6.0 mi
·
9 min
·
East Napoleon Street
Use the straight lane.
2
Take the ramp onto US 90
19 mi
·
21 min
·
US 90
3
Continue on I 10
109 mi
·
2 hr
·
I 10
Use the none / straight / slight right lanes.
4
Take the exit
0.4 mi
·
48 sec
Exit 155A
Toward LA 30
Use the straight / slight right lanes.
5
Keep slight right at fork
399 ft
·
9 sec
Use the slight right lane.
6
Turn straight onto LA 3290-1
494 ft
·
18 sec
·
Oklahoma Street
7
Turn right onto LA 30
0.3 mi
·
34 sec
·
Nicholson Drive
8
Continue on Saint Louis Street
0.3 mi
·
45 sec
·
Saint Louis Street
Use the none lane.
9
Turn right onto Government Street
13 ft
·
0 sec
·
Government Street
10
Arrive at destination
Government Street
Trip Plan
Given the total travel time of under three hours, you have plenty of flexibility when choosing your departure window to avoid peak traffic. You only need to plan for one meaningful stop to break up the drive comfortably, as the distance is short enough to handle in one go. Keep an eye on your fuel gauge before merging onto the long 109.4-mile stretch of I-10 to ensure you aren't forced to stop in busier areas. Since the route is heavily interstate-reliant, try to time your departure to avoid the morning or evening rushes in either Sulphur or Baton Rouge. This approach keeps your transit smooth and minimizes unnecessary stress on the road.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 67.6 miles from Sulphur, LA, or about 1h 18m into the drive.
The longest continuous stretch on this route runs about 109.4 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 32m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 67.6 miles or 1h 18m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 6m
Traffic, exits, and arrival timing usually matter more near Baton Rouge, LA than in the middle of the route.
Before You Leave
+
Open the route before leaving Sulphur, LA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Sulphur, LA
This is one driving day of about 135.1 miles and 2h 34m.
Your first comfortable stop window is around 80 miles from Sulphur, LA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 10 for about 109.4 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 67.6 mi from Sulphur, LA · 1h 18m into the drive
Mid-route town
Meal stop
68 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 67.6 miles from Sulphur, LA, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 10 if your tank is already low. That segment runs about 109.4 miles.
Arriving in Baton Rouge, LA
The final approach into Baton Rouge, LA usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Baton Rouge, LA.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$20.65 one way
$41.31 round trip
$3.88/gal
25.4 MPG avg
47 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.26 | $22.65 | $45.31 |
| premium | $4.61 | $24.52 | $49.04 |
| diesel | $5.64 | $30.01 | $60.03 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$21
Meals
$25–$50
Total
$46–$71
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 47.3 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $14 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 40.5 | 0 | $14.19 | $6.48 |
| Efficient EV | 33.8 | 0 | $11.82 | $5.40 |
| EV Truck/SUV | 54 | 0 | $18.91 | $8.65 |
Gas CO2
47 kg
EV CO2
16 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Baton Rouge, LA
Afternoon in Baton Rouge on Sunday
Local time
2:45 PM
CDT
Current temp
88°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
3 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
2h 34m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Sulphur, LA to Baton Rouge, LA covers 135.1 miles and takes about 2h 34m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 10, US 90, East Napoleon Street. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 67.6 miles from Sulphur, LA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $20.65 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
This is a straightforward 2h 34m drive. You will face about 5 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: near the start (US 90 / East Napoleon Street): Lane positioning matters here; at 134 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 134.4 miles: Highway fork - watch signs carefully. Lane positioning matters here.
The route from Sulphur, LA to Baton Rouge, LA does not surface many named destination signs beyond the main corridor.
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