How far is Mamou, LA from Lafayette, LA?
The driving distance from Mamou, LA to Lafayette, LA is about 48.2 miles (77.6 km), with a travel time of about 00h 58m by car.
- The straight-line flight distance is about 37 miles (59.5 km).
- For a round trip, plan for roughly 01h 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 00h 58m.
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.
Parish seat of St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms then Mostly Cloudy
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Mamou and Lafayette.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mamou and Lafayette.
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1
Start on the route
7 m · 3 sec
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2
Turn right
14 m · 9 sec
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3
Turn left
18 m · 10 sec
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4
Turn left onto 6th Street
2595 ft · 54 sec · 6th Street
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5
Turn slight right
38 m · 6 sec
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6
Turn slight right
2159 ft · 46 sec
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7
Turn left onto Veterans Memorial Highway
6.4 mi · 9 min · Veterans Memorial Highway
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8
Continue on State Route 13
2.4 mi · 4 min · State Route 13
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9
Continue on North C C Duson Street
1.2 km · 1 min · North C C Duson Street
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10
Turn left onto East Laurel Avenue
14.7 mi · 17 min · East Laurel Avenue
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11
Continue on West Landry Street
4.4 mi · 5 min · West Landry Street
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12
Turn slight right onto West Vine Street
2.2 mi · 3 min · West Vine Street
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13
Take the exit slight right toward I 49 South, US 167 South: Lafayette
1883 ft · 46 sec
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14
Merge slight left onto Charles I. "Doc" Hudson Highway
10.8 mi · 12 min · Charles I. "Doc" Hudson Highway
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15
Continue on Veterans Memorial Expressway
8.8 mi · 9 min · 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 Mamou and Lafayette.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
East Laurel Avenue
Turn left onto East Laurel Avenue
14.7 mi · 00h 17m
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.
Chance Showers And Thunderstorms then Mostly Cloudy leaving Mamou 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 Mamou to Lafayette?
The road trip is about 48.2 miles (77.6 km) and usually takes 00h 58m 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?
Opelousas is a useful midpoint, sitting about 27.1 miles from Mamou and 21.2 miles from Lafayette.
How much longer is the road route than the straight-line distance?
The direct path is about 37 miles (59.5 km), while the road route adds roughly 11.2 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 4:32 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.44 one way or $12.88 round trip. Estimated CO2 is about 15.1 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms then Mostly Cloudy around Mamou and Mostly Sunny near Lafayette.
Stop Ideas Near Opelousas
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Port Barre Park
Washington Town Hall
Port Barre Community Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Opelousas.
Lafayette
New Iberia
Baton Rouge, Louisiana
Lake Charles
Flight Path Map
This map shows the direct air route between Mamou and Lafayette. Straight-line distance: 36.98 mi (59.52 km).
#1 Mamou
Human settlement in Louisiana, United States of America
| Population | 3,077 |
| Coordinates | 30.6338100, -92.4193000 |
| Altitude | 19 |
| 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: 78 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 36m |
| 40 mph (64.37 km/h) | 01h 12m |
| 50 mph (80.47 km/h) | 00h 57m |
| 60 mph (96.56 km/h) | 00h 48m |
| 70 mph (112.65 km/h) | 00h 41m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $6.44 | $12.88 |
| Mid-grade | $4.26 | $7.24 | $14.48 |
| Premium | $4.63 | $7.86 | $15.73 |
| Diesel | $5.42 | $9.21 | $18.41 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.