Monroe to Marrero is 274.1 miles and takes about 5h 21m via Seargent Prentiss Drive and US 425, with a fuel budget near $41 and enough daylight to finish in a day. This highway-focused drive stays within Louisiana, making it a straightforward trip within the Southeast region. Expect mostly efficient travel, with a significant portion on major highways. It's a manageable one-day journey, perfect if you want to get to your destination without too many detours.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
137 miles from Monroe, LA
A natural place for your longest stop of the day
, about 2h 40m into the drive
.
Step-by-step road directions between Monroe, LA and Marrero, LA.
1
Start on this road
38 ft·7 sec·this road
2
Turn left
45 ft·5 sec
3
Turn right onto US 80; LA 15
265 ft·8 sec·Louisville Avenue
4
Turn right onto US 165 Business; LA 15
0.2 mi·18 sec·North 5th Street
5
Continue on US 165 Business; LA 15
458 ft·7 sec·North 5th Street
6
Continue on US 165 Business; LA 15
0.7 mi·1 min·Lea Joyner Memorial Expressway
7
Take the ramp
0.2 mi·22 sec
8
Merge onto I 20
20 mi·22 min·I 20
9
Take the exit
0.3 mi·41 sec
Toward US 425: Rayville, Archibald
10
Turn right onto US 425
76 mi·1 hr 28 min·US 425
11
Keep slight right at fork
526 ft·14 sec
12
Merge onto US 61
79 mi·1 hr 34 min·Seargent Prentiss Drive
13
Take the exit
0.5 mi·48 sec
Toward I 110 South: Baton Rouge
14
Continue on I 110
2.5 mi·3 min·Martin Luther King, Jr. Memorial Freeway
Use the straight / slight right lanes.
15
Continue on I 110
5.7 mi·7 min·Martin Luther King Jr Memorial Freeway
Use the straight / slight right lanes.
16
Keep slight left at fork onto I 110
0.5 mi·35 sec·Martin Luther King Jr Memorial Freeway
Use the slight left / slight right lanes.
17
Merge onto I 10
75 mi·1 hr 24 min·I 10
Use the straight / slight right lanes.
18
Keep slight right at fork onto I 10
3.5 mi·4 min·Pontchartrain Expressway
Toward New Orleans, Business DistrictUse the straight / slight right lanes.
19
Keep slight left at fork onto US 90 BUS
2.4 mi·2 min·Pontchartrain Expressway
Use the straight / slight right lanes.
20
Continue on US 90 BUS
0.7 mi·1 min·Crescent City Connection
21
Continue on US 90 BUS
5.4 mi·6 min·Westbank Expressway
Use the straight / slight right lanes.
22
Take the exit
0.3 mi·30 sec
Exit 4BToward LA 45: Barataria BoulevardUse the slight right lane.
23
Turn straight onto Westbank Expressway
0.3 mi·36 sec·Westbank Expressway
Use the left / straight lanes.
24
Turn right onto LA 45
0.3 mi·39 sec·Barataria Boulevard
25
Arrive at destination
LA 18
Trip Plan
Given the 5h 21m estimated drive time, starting your trip in Monroe, LA, after breakfast will allow you to reach Marrero with plenty of daylight. With only one recommended stop, you have flexibility to pace yourself. Keep an eye on your fuel gauge, especially during the longer stretches, as services can be spread out. The $41 fuel estimate is a good benchmark for budgeting your expenses on this 274.1-mile journey.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 137 miles from Monroe, LA, or about 2h 40m into the drive.
The longest continuous stretch on this route runs about 79.3 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 60 miles or 1h 9m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 137 miles or 2h 40m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 4h 23m
Traffic, exits, and arrival timing usually matter more near Marrero, LA than in the middle of the route.
Before You Leave
+
Open the route before leaving Monroe, 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 Monroe, LA
This is one driving day of about 274.1 miles and 5h 21m.
Your first comfortable stop window is around 60 miles from Monroe, 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 Seargent Prentiss Drive for about 79.3 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 17
5 decision points cluster between mile 0.1 and 273.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0.1 mi into trip|~0m in|US 165 Business; LA 15 / North 5th Street
Turn right onto US 165 Business; LA 15 / North 5th Street
Navigation decision point
6
186 mi into trip|~3h 39m in|I 110 / Martin Luther King Jr Memorial Freeway
Keep slight left at fork onto I 110 / Martin Luther King Jr Memorial Freeway
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left / slight right lanes.
8
261.3 mi into trip|~5h 4m in|I 10 / Pontchartrain Expressway
Keep slight right at fork onto I 10 / Pontchartrain Expressway toward New Orleans, Business District
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward New Orleans, Business District
6
264.8 mi into trip|~5h 9m in|US 90 BUS / Pontchartrain Expressway
Keep slight left at fork onto US 90 BUS / Pontchartrain Expressway
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
7
273.2 mi into trip|~5h 19m in
Take the exit toward LA 45: Barataria Boulevard
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 4B
Toward LA 45: Barataria Boulevard
Fuel & Cost
Regular Gas
$38.05 one way
$76.10 round trip
$3.53/gal25.4 MPG avg96 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$3.95
$42.57
$85.14
premium
$4.29
$46.28
$92.57
diesel
$4.80
$51.76
$103.51
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$38
Meals
$25–$50
Total
$63–$88
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 95.9 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $29 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
82.2
1
$28.78
$13.16
Efficient EV
68.5
0
$23.98
$10.96
EV Truck/SUV
109.6
1
$38.37
$17.54
Gas CO2
96 kg
EV CO2
32 kg (67% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
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.
Forecast as of Jul 18, 2026
Origin
Monroe, LA
Late night
in Monroe on Sunday
Local time
4:14 AM
CDT
Current temp
77°F
Mostly Cloudy
SW 0 to 5 mph1% chanceLive forecast
Flood Warning
Flood Warning issued July 17 at 11:02AM CDT until July 22 at 1:00AM CDT by NWS Lake Charles LA
Destination
Marrero, LA
Late night
in Marrero on Sunday
Local time
4:14 AM
CDT
Current temp
79°F
Mostly Clear
W 5 mph1% chanceLive forecast
Flood Warning
Flood Warning issued July 17 at 11:02AM CDT until July 22 at 1:00AM CDT by NWS Lake Charles LA
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
2 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
5h 21m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
New Orleans Jazz National Historical Park
National Historical Park
Discover the roots of jazz at the New Orleans Jazz National Historical Park. Located in the heart of the French Quarter, our park offers live performances, exhibits, and programs that celebrate the le...
2 mi from route
~4 min detour
Free
near mile 264.6
Now a nearly forgotten culture, Poverty Point at its peak 3,000 years ago was part of an enormous trading network that stretched for hundreds of miles across the continent. It was - and is - also an e...
26 mi from route
~65 min detour
Free
near mile 18.9
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This route is primarily a highway-focused drive, with 70% of the journey utilizing major roadways. You'll encounter stretches that offer consistent speed, including one uninterrupted segment of 79.3 miles on Seargent Prentiss Drive. While much of the drive involves efficient travel, be prepared for the transition as you move through different road types. The character shifts from open highway to more localized routes as you approach your destination.
70% highway — fuel and pacing are the main things to plan.
25 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 79.3 mi on Seargent Prentiss Drive.
How Hard Is This Drive?
9/10
This is a straightforward highway drive that stays mostly on Seargent Prentiss Drive and US 425. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.1 miles in near US 165 Business; LA 15 / North 5th Street.
Driving Effort9/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 17 significant decision points across 274.1 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 0.1 miles (US 165 Business; LA 15 / North 5th Street): Navigation decision point; at 186 miles (I 110 / Martin Luther King Jr Memorial Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 261.3 miles (I 10 / Pontchartrain Expressway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Mostly flat terrain
306 ft-3 ft
Total Climb
254 ft
Total Descent
330 ft
Highest Point
306 ft
~137 mi in
Elevation Range
309 ft
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Monroe, LA to Marrero, LA, road signs begin pointing toward Archibald along the way.
Monroe is the third-largest city in Northern Louisiana, largest city in Northeast Louisiana, and the parish seat of Ouachita Parish. It is also home to the University of Louisiana at Monroe and their sports team, the ULM Warhawks.
Founded as Fort Miro, it took on the name of Monroe after the paddle-wheeler James Monroe that came to town in the early 19th century, and, by extrapolation, the former president James Monroe. An interesting bit of trivia is that Monroe was once the headquarters of Delta Airlines, which got its start as the crop dusting operation Delta Dusters in nearby Tallulah.
Slathered down with highly religious views and the effects of years of racial inequality, Monroe can have a rather gritty appearance imbued with a fragrant aroma from its paper mill, but, well, take heart, Wikivoyage traveler.
Top landmarks
•Neville High School — high school in Louisiana, United States
•Bright-Lamkin-Easterling House — historic house in Monroe, Louisiana, United States
•Bynum House — historic house in Monroe, Louisiana, United States
Doable as a same-day drive at 5h 21m. Total distance: 274.1 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
5h 21m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (70%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 79.3 miles on Seargent Prentiss Drive. The full list of main roads is in the Roads section above.
Yes — we found about 8 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Marrero, LA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. There are 8 rest areas along the route for bathroom stops.
The main spots that need attention: at 0.1 miles (US 165 Business; LA 15 / North 5th Street): Navigation decision point; at 186 miles (I 110 / Martin Luther King Jr Memorial Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 261.3 miles (I 10 / Pontchartrain Expressway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — New Orleans Jazz National Historical Park and Poverty Point National Monument. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 5.4 hours each way, a round trip means 10.7 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Marrero, LA before the return drive.
