How far is Chalmette, LA from Lafayette, LA?
The driving distance from Chalmette, LA to Lafayette, LA is about 142 miles (228.5 km), with a travel time of about 02h 28m by car.
- The straight-line flight distance is about 124.3 miles (200.1 km).
- For a round trip, plan for roughly 04h 57m 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 02h 28m.
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.
Town in West Carroll Parish, Louisiana
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Chalmette and Lafayette.
Turn-by-Turn Driving Directions
Step-by-step road directions between Chalmette and Lafayette.
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1
Start on West Judge Perez Drive
53 m · 6 sec · West Judge Perez Drive
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2
Turn right onto Montesquieu Street
51 m · 8 sec · Montesquieu Street
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3
Turn right onto Oak Place
107 m · 14 sec · Oak Place
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4
Turn right onto Fenelon Street
51 m · 6 sec · Fenelon Street
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5
Turn left onto West Judge Perez Drive
2.8 mi · 7 min · West Judge Perez Drive
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6
Continue on North Claiborne Avenue
2.8 mi · 6 min · North Claiborne Avenue
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7
Turn right onto Franklin Avenue
645 ft · 18 sec · Franklin Avenue
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8
Keep slight left to continue on Franklin Avenue
2743 ft · 1 min · Franklin Avenue
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9
Keep slight left to continue on Franklin Avenue
1 km · 2 min · Franklin Avenue
-
10
Take the ramp slight left
1706 ft · 43 sec
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11
Continue straight
4.1 mi · 5 min
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12
Merge slight right
74.9 mi · 1 hr 25 min
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13
Keep slight left
52.6 mi · 1 hr
-
14
Take the exit slight right toward US 167: Morgan City
1688 ft · 41 sec
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15
Merge slight left onto Veterans Memorial Expressway
1669 ft · 24 sec · Veterans Memorial Expressway
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16
Continue on Northwest Evangeline Thruway
1.9 mi · 3 min · Northwest Evangeline Thruway
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17
Turn right onto Jefferson Boulevard
1147 ft · 34 sec · Jefferson Boulevard
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18
Continue on Rue Jefferson
1654 ft · 52 sec · Rue Jefferson
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19
Turn right onto Rue Vermilion Ouest
102 m · 17 sec · Rue Vermilion Ouest
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20
Arrive at your destination
0 m · 1 sec · Rue Vermilion Ouest
Car Route Details
A richer read on the saved driving route between Chalmette and Lafayette.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Franklin Avenue
Merge slight right
74.9 mi · 01h 25m
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.
Mostly Clear leaving Chalmette and Mostly Sunny near Lafayette.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Chalmette to Lafayette?
The road trip is about 142 miles (228.5 km) and usually takes 02h 28m 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?
Oak Grove is a useful midpoint, sitting about 71 miles from Chalmette and 71 miles from Lafayette.
How much longer is the road route than the straight-line distance?
The direct path is about 124.3 miles (200.1 km), while the road route adds roughly 17.7 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 1:32 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.97 one way or $37.95 round trip. Estimated CO2 is about 44.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Chalmette and Mostly Sunny near Lafayette.
Stop Ideas Near Oak Grove
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Port Vincent Clerks Office
City of Donaldsonville
City of Baton Rouge Fire Station 15
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Oak Grove.
Baton Rouge, Louisiana
Hammond
Schriever
New Iberia
Flight Path Map
This map shows the direct air route between Chalmette and Lafayette. Straight-line distance: 124.35 mi (200.13 km).
#1 Chalmette
Census designated place
| Population | 16,751 |
| Coordinates | 29.9429600, -89.9653700 |
| Altitude | 1 |
| Country | United States |
#2 Lafayette
The third most populous city in Acadiana, Louisiana.
| Population | 126,535 |
| Coordinates | 30.2240900, -92.0198400 |
| Altitude | 11 |
| Country | United States |
End: South Buchanan Street (-92.019794, 30.224075)
Estimated Travel Time
Distance: 229 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 43m |
| 40 mph (64.37 km/h) | 03h 33m |
| 50 mph (80.47 km/h) | 02h 50m |
| 60 mph (96.56 km/h) | 02h 21m |
| 70 mph (112.65 km/h) | 02h 01m |
| 80 mph (129 km/h) | 01h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $18.97 | $37.95 |
| Mid-grade | $4.26 | $21.34 | $42.68 |
| Premium | $4.63 | $23.17 | $46.34 |
| Diesel | $5.42 | $27.13 | $54.26 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.