Distance between cities › USA › Texas › Katy, TX › Distance from Katy to Lafitte Book Hotels

Distance from Katy, TX to Lafitte, LA

Distance

397 mi

Time

7 hours 45 mins

Gas Cost

$36 - $71

There are 343.03 miles from Katy to Lafitte in east direction and 397 miles (638.91 kilometers) by car, following the I-10 route.

Katy and Lafitte are 7 hours 45 mins far apart, if you drive non-stop .

This is the fastest route from Katy, TX to Lafitte, LA. The halfway point is Welsh, LA.

Katy, TX and Lafitte, LA are in the same time zone (CDT). Current time in both locations is 5:15 pm.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Katy, TX to Lafitte, LA:

Lowest Price Rental Cars in Katy, TX

Planning on renting a car to go from Katy, TX to Lafitte, LA? Here there are some offers to rent a car in Katy, TX

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Katy »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 15.96 gallons of gas to cover the route between Katy, TX and Lafitte, LA.

The estimated cost of gas to go from Katy to Lafitte is $51.13.

During the route, an average car will release 312.66 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Katy, TX and Lafitte, LA

If you want to meet halfway between Katy, TX and Lafitte, LA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 30.246901 and -92.786209, or 30º 14' 48.8436" N, 92º 47' 10.3524" W. This location is 198.68 miles away from Katy, TX and Lafitte, LA and it would take approximately 3 hours 52 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Welsh, LA, situated 195 miles from Katy, TX and 204 miles from Lafitte, LA. It would take 3 hours 2 mins to go from Katy to Welsh and 3 hours 31 mins to go from Lafitte to Welsh.