Spanning 85.9 miles, this drive from Donaldsonville to Lafayette is a straightforward journey that typically takes about 1 hour and 46 minutes to complete. Because the trip is relatively short, it is perfectly suited for a single-day excursion, meaning you won't need to worry about booking an overnight stay. You can expect to spend approximately $13 on fuel for the trip, making it a budget-friendly way to move across Southeast Louisiana. Both your starting point and destination sit within the same region, ensuring the cultural transition remains consistent throughout the drive. Whether you are traveling for business or a quick getaway, the route offers a reliable connection between these two points without requiring an extensive time commitment.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
42.9 miles from Donaldsonville, LA
A natural place for your longest stop of the day
, about 55m into the drive
.
Main Roads
Road
Distance
Duration
I 10
50.2 mi
57m
Highway 1 North
18.5 mi
21m
Highway 1
11.6 mi
17m
Northwest Evangeline Thruway
1.9 mi
3m
Church Street
1 mi
2m
West 10th Street
1 mi
1m
Veterans Memorial Expressway
0.3 mi
<1m
Rue Jefferson
0.3 mi
<1m
Longest stretch:
I 10
— 50.2 mi, about 57m
Turn-by-Turn Driving Directions
Step-by-step road directions between Donaldsonville, LA and Lafayette, LA.
1
Start on LA 1
1.0 mi·1 min·West 10th Street
2
Continue on LA 1
19 mi·21 min·Highway 1 North
3
Continue on LA 1
1.0 mi·2 min·Church Street
4
Continue on LA 1
12 mi·17 min·Highway 1
5
Take the exit
0.4 mi·56 sec
Toward I 10 West: Lafayette
6
Merge onto I 10
50 mi·57 min·I 10
Use the straight / slight right lanes.
7
Take the exit
0.3 mi·41 sec
Toward US 167: Morgan City
8
Merge onto I 49
0.3 mi·23 sec·Veterans Memorial Expressway
9
Continue on I 49; LA 182
1.9 mi·3 min·Northwest Evangeline Thruway
10
Turn right onto Jefferson Boulevard
0.2 mi·33 sec·Jefferson Boulevard
11
Continue on Rue Jefferson
0.3 mi·51 sec·Rue Jefferson
12
Turn right onto Rue Vermilion Ouest
335 ft·16 sec·Rue Vermilion Ouest
13
Arrive at destination
Rue Vermilion Ouest
Trip Plan
Since this is a compact drive, you have plenty of flexibility regarding your departure time, though planning for mid-morning or mid-afternoon can help you avoid peak traffic. You won't need to worry about scheduling formal stops along the way given the short duration, but having your $13 fuel budget ready ensures you can fill up before or after the drive without stress. Pay close attention to your transition from Highway 1 onto I-10, as this is where the character of the road changes significantly. Because the longest stretch of the drive covers over 50 miles of interstate, ensure your vehicle is ready for sustained highway speeds before you merge. Taking advantage of the route's simplicity allows you to focus on a smooth, direct arrival in Lafayette.
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.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 42.9 miles from Donaldsonville, LA, or about 55m into the drive.
The longest continuous stretch on this route runs about 50.2 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 19 miles or 22m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 42.9 miles or 55m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 1h 29m
Traffic, exits, and arrival timing usually matter more near Lafayette, LA than in the middle of the route.
Before You Leave
+
Open the route before leaving Donaldsonville, LA so your first major turns are already loaded.
Day 1
Settle into the route from Donaldsonville, LA
This is one driving day of about 85.9 miles and 1h 46m.
Your first comfortable stop window is around 19 miles from Donaldsonville, LA.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on I 10 for about 50.2 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 6
5 decision points cluster between mile 32.1 and 85.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
32.1 mi into trip|~42m in
Take the exit toward I 10 West: Lafayette
Exit ramp - move to the correct lane early
Toward I 10 West: Lafayette
5
32.5 mi into trip|~43m in|I 10
Merge onto I 10
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
4
82.8 mi into trip|~1h 40m in
Take the exit toward US 167: Morgan City
Exit ramp - move to the correct lane early
Toward US 167: Morgan City
4
85.3 mi into trip|~1h 44m in|Jefferson Boulevard
Turn right onto Jefferson Boulevard
Navigation decision point
4
85.8 mi into trip|~1h 46m in|Rue Vermilion Ouest
Turn right onto Rue Vermilion Ouest
Navigation decision point
Fuel & Cost
Regular Gas
$12.97 one way
$25.95 round trip
$3.84/gal25.4 MPG avg30 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.21
$14.24
$28.48
premium
$4.56
$15.42
$30.84
diesel
$5.61
$18.97
$37.93
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.
Estimated Trip Cost (one way, 1 person)
Fuel
$13
Tolls
$0
Meals
$25–$50
Total
$38–$63
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 30.1 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $9 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
25.8
0
$9.02
$4.12
Efficient EV
21.5
0
$7.52
$3.44
EV Truck/SUV
34.4
0
$12.03
$5.50
Gas CO2
30 kg
EV CO2
10 kg (67% 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.
Forecast as of Apr 19, 2026
Origin
Donaldsonville, LA
Morning
in Donaldsonville on Sunday
Local time
6:30 AM
CDT
Current temp
53°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
NW 5 to 15 mph71% chanceLive forecast
Destination
Lafayette, LA
Morning
in Lafayette on Sunday
Local time
6:30 AM
CDT
Current temp
53°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
N 5 to 15 mph82% chanceLive 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
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
1h 46m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
This trip is a highway-focused drive, with 94% of your time spent on major thoroughfares. You will navigate a combination of Highway 1 and Highway 1 North before transitioning onto I-10, which constitutes the bulk of the journey. Prepare for a long, sustained stretch of driving, as the route features a 50.2-mile segment exclusively on I-10. This creates a predictable, fast-paced rhythm that contrasts with the smaller local roads you traverse at the beginning of the trip. Behind the wheel, you will find that the personality of the road shifts from regional highway travel to a more streamlined interstate experience, allowing for efficient progress toward your destination.
94% highway — fuel and pacing are the main things to plan.
13 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?
2/10
This is a straightforward highway drive that stays mostly on I 10 and Highway 1 North. Navigation is very simple - set it and forget it for most of the drive. The trickiest moment comes around 32.1 miles in.
Driving Effort2/10
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Donaldsonville, LA to Lafayette, LA is easy. At 1h 46m with 94% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
The main spots that need attention: at 32.1 miles: Exit ramp - move to the correct lane early; at 32.5 miles (I 10): Merge point - match speed before joining. Lane positioning matters here; at 82.8 miles: Exit ramp - move to the correct lane early.
Elevation Profile
Mostly flat terrain
37 ft10 ft
Total Climb
43 ft
Total Descent
27 ft
Highest Point
37 ft
~85.9 mi in
Elevation Range
27 ft
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 46m. Total distance: 85.9 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
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 — we found about 9 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.
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 32.1 miles: Exit ramp - move to the correct lane early; at 32.5 miles (I 10): Merge point - match speed before joining. Lane positioning matters here; at 82.8 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.
