How far is Lafayette, LA from Mamou, LA?
The driving distance from Lafayette, LA to Mamou, LA is about 54.7 miles (88.1 km), with a travel time of about 01h 08m by car.
- The straight-line flight distance is about 37 miles (59.5 km).
- For a round trip, plan for roughly 02h 16m 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 01h 08m.
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.
Mostly Sunny
Chance Showers And Thunderstorms then Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Lafayette and Mamou.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lafayette and Mamou.
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1
Start on Rue Vermilion Ouest
102 m · 22 sec · Rue Vermilion Ouest
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2
Turn left onto Rue Jefferson
1654 ft · 51 sec · Rue Jefferson
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3
Continue on Jefferson Boulevard
1447 ft · 47 sec · Jefferson Boulevard
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4
Turn left onto Northeast Evangeline Thruway
1.9 mi · 3 min · Northeast Evangeline Thruway
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5
Continue on Veterans Memorial Expressway
8.8 mi · 9 min · Veterans Memorial Expressway
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6
Continue on Charles I. "Doc" Hudson Highway
11.2 mi · 12 min · Charles I. "Doc" Hudson Highway
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7
Take the exit slight right toward US 190 West: Opelousas
1356 ft · 33 sec
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8
Merge slight left
21.6 mi · 25 min
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9
Turn right onto North C C Duson Street
1.2 km · 1 min · North C C Duson Street
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10
Continue on State Route 13
2.4 mi · 4 min · State Route 13
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11
Continue on Veterans Memorial Highway
6.4 mi · 9 min · Veterans Memorial Highway
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12
Turn right
2237 ft · 50 sec
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13
Turn left onto 6th Street
2685 ft · 58 sec · 6th Street
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14
Turn right
18 m · 6 sec
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15
Turn right
14 m · 9 sec
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16
Turn left
7 m · 2 sec
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17
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Lafayette and Mamou.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US 190 West
Merge slight left
21.6 mi · 00h 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 Sunny leaving Lafayette and Chance Showers And Thunderstorms then Mostly Cloudy near Mamou.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lafayette to Mamou?
The road trip is about 54.7 miles (88.1 km) and usually takes 01h 08m 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 27.4 miles from Lafayette and 27.3 miles from Mamou.
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 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 4:14 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.67 one way or $13.33 round trip. Estimated CO2 is about 15.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Lafayette and Chance Showers And Thunderstorms then Mostly Cloudy near Mamou.
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 Lafayette and Mamou. Straight-line distance: 36.98 mi (59.52 km).
#1 Lafayette
The third most populous city in Acadiana, Louisiana.
| Population | 126,535 |
| Coordinates | 30.2240900, -92.0198400 |
| Altitude | 11 |
| Country | United States |
#2 Mamou
Human settlement in Louisiana, United States of America
| Population | 3,077 |
| Coordinates | 30.6338100, -92.4193000 |
| Altitude | 19 |
| Country | United States |
End: Mamou (-92.4193, 30.63381)
Estimated Travel Time
Distance: 88 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 49m |
| 40 mph (64.37 km/h) | 01h 22m |
| 50 mph (80.47 km/h) | 01h 05m |
| 60 mph (96.56 km/h) | 00h 54m |
| 70 mph (112.65 km/h) | 00h 46m |
| 80 mph (129 km/h) | 00h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $6.67 | $13.33 |
| Mid-grade | $4.26 | $7.50 | $14.99 |
| Premium | $4.63 | $8.14 | $16.28 |
| Diesel | $5.42 | $9.53 | $19.06 |
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.