How far is Donaldsonville, LA from Baton Rouge, LA?
The driving distance from Donaldsonville, LA to Baton Rouge, LA is about 34.1 miles (54.9 km), with a travel time of about 00h 46m by car.
- The straight-line flight distance is about 26.3 miles (42.3 km).
- For a round trip, plan for roughly 01h 33m 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 00h 46m.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Donaldsonville and Baton Rouge.
Turn-by-Turn Driving Directions
Step-by-step road directions between Donaldsonville and Baton Rouge.
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1
Start on West 10th Street
1.6 km · 1 min · West 10th Street
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2
Continue on Highway 1 North
18.5 mi · 22 min · Highway 1 North
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3
Continue on Church Street
1 mi · 2 min · Church Street
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4
Continue on Highway 1
11.3 mi · 17 min · Highway 1
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5
Take the exit slight right toward I 10 East: Baton Rouge
2383 ft · 58 sec
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6
Merge slight left onto Horace Wilkinson Bridge
1.5 km · 1 min · Horace Wilkinson Bridge
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7
Take the exit slight right toward LA 30
1984 ft · 48 sec
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8
Keep slight right
122 m · 10 sec
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9
Turn straight onto Oklahoma Street
151 m · 19 sec · Oklahoma Street
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10
Turn right onto Nicholson Drive
1685 ft · 34 sec · Nicholson Drive
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11
Continue on Saint Louis Street
1378 ft · 45 sec · Saint Louis Street
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12
Turn right onto Government Street
4 m · 1 sec · Government Street
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13
Arrive at your destination
0 m · 1 sec · Government Street
Car Route Details
A richer read on the saved driving route between Donaldsonville and Baton Rouge.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Highway 1 North
Continue on Highway 1 North
18.5 mi · 00h 22m
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.
Partly Sunny leaving Donaldsonville and Partly Sunny near Baton Rouge.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Donaldsonville to Baton Rouge?
The road trip is about 34.1 miles (54.9 km) and usually takes 00h 46m 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?
Plaquemine is a useful midpoint, sitting about 17.2 miles from Donaldsonville and 17 miles from Baton Rouge.
How much longer is the road route than the straight-line distance?
The direct path is about 26.3 miles (42.3 km), while the road route adds roughly 7.8 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 4:56 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.54 one way or $9.09 round trip. Estimated CO2 is about 10.7 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Donaldsonville and Partly Sunny near Baton Rouge.
Stop Ideas Near Plaquemine
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Plaza
Baton Rouge City Hall
City of Baton Rouge Fire Station 15
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Plaquemine.
Baton Rouge, Louisiana
New Iberia
Schriever
Lafayette
Flight Path Map
This map shows the direct air route between Donaldsonville and Baton Rouge. Straight-line distance: 26.31 mi (42.34 km).
#1 Donaldsonville
City in Louisiana, United States
| Population | 8,638 |
| Coordinates | 30.1011400, -90.9941200 |
| Altitude | 7 |
| Country | United States |
#2 Baton Rouge
The capital of Louisiana.
| Population | 219,052 |
| Coordinates | 30.4433200, -91.1874700 |
| Altitude | 14 |
| Country | United States |
End: Saint Louis Street (-91.18751, 30.443332)
Estimated Travel Time
Distance: 55 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 08m |
| 40 mph (64.37 km/h) | 00h 51m |
| 50 mph (80.47 km/h) | 00h 40m |
| 60 mph (96.56 km/h) | 00h 34m |
| 70 mph (112.65 km/h) | 00h 29m |
| 80 mph (129 km/h) | 00h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $4.54 | $9.09 |
| Mid-grade | $4.26 | $5.11 | $10.22 |
| Premium | $4.63 | $5.55 | $11.10 |
| Diesel | $5.42 | $6.50 | $13.00 |
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 · Apr 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.