How far is Cullen, LA from Lafayette, LA?
The driving distance from Cullen, LA to Lafayette, LA is about 246.4 miles (396.6 km), with a travel time of about 03h 56m by car.
- The straight-line flight distance is about 207.5 miles (333.9 km).
- For a round trip, plan for roughly 07h 53m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 56m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Louisiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Cullen and Lafayette.
Turn-by-Turn Driving Directions
Step-by-step road directions between Cullen and Lafayette.
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1
Start on Henrietta White Boulevard
2214 ft · 1 min · Henrietta White Boulevard
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2
Turn left onto Highway 371
27 mi · 40 min · Highway 371
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3
Take the ramp straight
2.7 mi · 3 min
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4
Take the exit slight right toward South US 371, North LA 159: Minden, Sibley
1032 ft · 25 sec
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5
Keep slight right to continue on South US 371: Sibley
1163 ft · 28 sec
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6
Continue straight
38.6 mi · 56 min
-
7
Keep slight left to continue on HWY 371
1270 ft · 22 sec · HWY 371
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8
Turn straight onto Ringgold Avenue
1.4 mi · 2 min · Ringgold Avenue
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9
Turn right
40 m · 2 sec
-
10
Continue straight
1.2 km · 1 min
-
11
Turn right onto HWY 84 EAST
981 ft · 17 sec · HWY 84 EAST
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12
Continue on US 84
6.6 mi · 10 min · US 84
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13
Continue straight
2 mi · 3 min
-
14
Take the ramp left
1534 ft · 37 sec
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15
Merge slight left
164.7 mi · 2 hr 49 min
-
16
Turn right onto Jefferson Boulevard
1147 ft · 34 sec · Jefferson Boulevard
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17
Continue on Rue Jefferson
1654 ft · 52 sec · Rue Jefferson
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18
Turn right onto Rue Vermilion Ouest
102 m · 17 sec · Rue Vermilion Ouest
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19
Arrive at your destination
0 m · 1 sec · Rue Vermilion Ouest
Car Route Details
A richer read on the saved driving route between Cullen 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.
US 84
Merge slight left
165 mi · 02h 49m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Cullen 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 Cullen to Lafayette?
The road trip is about 246.4 miles (396.6 km) and usually takes 03h 56m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Montgomery is a useful midpoint, sitting about 123.1 miles from Cullen and 123.3 miles from Lafayette.
How much longer is the road route than the straight-line distance?
The direct path is about 207.5 miles (333.9 km), while the road route adds roughly 38.9 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 9:06 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.95 one way or $65.89 round trip. Estimated CO2 is about 77.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Cullen and Mostly Sunny near Lafayette.
Flight Path Map
This map shows the direct air route between Cullen and Lafayette. Straight-line distance: 207.51 mi (333.95 km).
#1 Cullen
Town in Louisiana, United States
| Population | 1,056 |
| Coordinates | 32.9690300, -93.4507300 |
| Altitude | 75 |
| 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: 397 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 12m |
| 40 mph (64.37 km/h) | 06h 09m |
| 50 mph (80.47 km/h) | 04h 55m |
| 60 mph (96.56 km/h) | 04h 06m |
| 70 mph (112.65 km/h) | 03h 31m |
| 80 mph (129 km/h) | 03h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $32.95 | $65.89 |
| Mid-grade | $4.26 | $37.05 | $74.11 |
| Premium | $4.63 | $40.24 | $80.48 |
| Diesel | $5.42 | $47.11 | $94.22 |
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 · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.