Origin
Port Allen, LA
Late night in Port Allen on Sunday
Local time
3:07 AM
CDT
Current temp
83°F
Unavailable
Live forecast
Trip from Port Allen, LA to Lafayette, LA
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
1h 5m
Distance
54.3 mi
87 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$8
one way
EV Charging
Good
8 stations
Best Time to Leave
4 AM
1h 0m
★
6 AM
1h 5m
8 AM
1h 16m
10 AM
1h 9m
12 PM
1h 8m
3 PM
1h 9m
5 PM
1h 15m
8 PM
1h 2m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Port Allen, LA
Wikimedia Commons
Trip Overview
If you are planning a quick trip from Port Allen to Lafayette, you can expect to cover 54.2 miles in approximately 56 minutes. This straightforward journey stays entirely within Southeast Louisiana, making it an ideal candidate for a single-day excursion. With a modest fuel budget of about $7, it is a very economical route for travelers. You will navigate using a combination of Avenue A, Dr. Martin Luther King Jr. Memorial Highway, and I-10 West to reach your destination. Because the travel time is under an hour, there is no need to plan for an overnight stay, allowing you plenty of flexibility to complete the drive and return home or start your activities in Lafayette on the same day.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 10 | 50.2 mi | 57m |
| Northwest Evangeline Thruway | 1.9 mi | 3m |
| Dr Martin Luther King Jr Memorial Highway | 0.4 mi | <1m |
| Veterans Memorial Expressway | 0.3 mi | <1m |
| Rue Jefferson | 0.3 mi | <1m |
| Jefferson Boulevard | 0.2 mi | <1m |
| Rue Vermilion Ouest | <0.1 mi | <1m |
| South Alexander Avenue | <0.1 mi | <1m |
Longest stretch:
I 10
— 50.2 mi, about 57m
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Allen, LA and Lafayette, LA.
1
Start on South Alexander Avenue
304 ft
·
12 sec
·
South Alexander Avenue
2
Turn right onto Avenue A
52 ft
·
2 sec
·
Avenue A
3
Turn left onto LA 1
0.4 mi
·
46 sec
·
Dr Martin Luther King Jr Memorial Highway
4
Take the ramp
0.5 mi
·
56 sec
Toward I 10 West: Lafayette
5
Merge onto I 10
50 mi
·
57 min
·
I 10
Use the straight / slight right lanes.
6
Take the exit
0.3 mi
·
41 sec
Toward US 167: Morgan City
7
Merge onto I 49
0.3 mi
·
23 sec
·
Veterans Memorial Expressway
8
Continue on I 49; LA 182
1.9 mi
·
3 min
·
Northwest Evangeline Thruway
9
Turn right onto Jefferson Boulevard
0.2 mi
·
33 sec
·
Jefferson Boulevard
10
Continue on Rue Jefferson
0.3 mi
·
51 sec
·
Rue Jefferson
11
Turn right onto Rue Vermilion Ouest
335 ft
·
16 sec
·
Rue Vermilion Ouest
12
Arrive at destination
Rue Vermilion Ouest
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
27 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 12 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 27.1 miles from Port Allen, LA, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 75 decision points cluster between mile 0.1 and 54.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
0.1 mi into trip
|
~0m in
|
Avenue A
Turn right onto Avenue A
Navigation decision point
5
0.9 mi into trip
|
~1m in
|
I 10
Merge onto I 10
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
4
51.2 mi into trip
|
~59m in
Take the exit toward US 167: Morgan City
Exit ramp - move to the correct lane early
Toward US 167: Morgan City
4
53.7 mi into trip
|
~1h 3m in
|
Jefferson Boulevard
Turn right onto Jefferson Boulevard
Navigation decision point
4
54.2 mi into trip
|
~1h 4m in
|
Rue Vermilion Ouest
Turn right onto Rue Vermilion Ouest
Navigation decision point
Fuel & Cost
Regular Gas
$8.20 one way
$16.40 round trip
$3.84/gal
25.4 MPG avg
19 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.21 | $9.00 | $18.00 |
| premium | $4.56 | $9.75 | $19.49 |
| diesel | $5.61 | $11.99 | $23.98 |
Estimated Tolls: $0.13
Northwest Evangeline Thruway
(1.9 mi)
$0.13
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Drive Cost (one way)
Fuel
$8
Tolls
$0
Total
$8
Estimated CO2 emission: 19 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $6 in charging · 0 stops · 68% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 16.3 | 0 | $5.70 | $2.61 |
| Efficient EV | 13.6 | 0 | $4.75 | $2.17 |
| EV Truck/SUV | 21.7 | 0 | $7.60 | $3.48 |
Gas CO2
19 kg
EV CO2
6 kg (68% 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
Lafayette, LA
Late night in Lafayette on Sunday
Local time
3:07 AM
CDT
Current temp
61°F
Unavailable
Live forecast
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
22 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
1h 5m 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.
What kind of drive is this?
This drive functions primarily as a turn-heavy local route rather than a long-haul interstate cruise. You will spend your time navigating through local connections, as the highway share for this 54.2-mile trip is 0%. Because the path relies on local roads like Avenue A, you should be prepared for frequent maneuvering rather than long, uninterrupted stretches of pavement. In fact, the longest stretch on Avenue A is 0 miles, confirming that you will be making consistent turns throughout the journey. Expect a driving experience that requires your full attention as you transition between these specific local thoroughfares.
93% highway — fuel and pacing are the main things to plan.
12 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 50.2 mi on I 10.
How Hard Is This Drive?
3/10
This is a straightforward highway drive that stays mostly on I 10 and Northwest Evangeline Thruway. There are only a few real navigation decisions along the way. The trickiest moment comes around 0.1 miles in near Avenue A.
Driving Effort
3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 1h 5m drive. You will face about 7 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 0.1 miles (Avenue A): Navigation decision point; at 0.9 miles (I 10): Merge point - match speed before joining. Lane positioning matters here; at 51.2 miles: Exit ramp - move to the correct lane early.
Elevation Profile
Mostly flat terrain
37 ft
10 ft
Total Climb
52 ft
Total Descent
40 ft
Highest Point
37 ft
~54.3 mi in
Elevation Range
27 ft
About the Cities
Starting in Port Allen, LA
Full guide →Port Allen is a town in the River Parishes region of Louisiana that sits directly across the Mississippi River from Baton Rouge and is the seat of West Baton Rouge Parish. It takes on a rather gritty and highly industrial character but has a few attractions.
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 5m. Total distance: 54.3 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 5m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (93%). Straightforward navigation.
Frequently Asked Questions
The longest stretch is about 50.2 miles on I 10. The full list of main roads is in the Roads section above.
Expect about $0.13 in tolls one way, starting with Northwest Evangeline Thruway. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 0.1 miles (Avenue A): Navigation decision point; at 0.9 miles (I 10): Merge point - match speed before joining. Lane positioning matters here; at 51.2 miles: Exit ramp - move to the correct lane early.
Yes. A round trip is manageable in a single day if you plan a break at Lafayette, LA before heading back.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and USGS 3DEP for elevation. See our methodology for refresh cadence and limitations.
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