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

Distance from Richardson, TX to Katy, TX

Distance

269 mi

Time

4 hours 45 mins

Gas Cost

$25 - $49

There are 224.94 miles from Richardson to Katy in southeast direction and 269 miles (432.91 kilometers) by car, following the I-45 route.

Richardson and Katy are 4 hours 45 mins far apart, if you drive non-stop .

This is the fastest route from Richardson, TX to Katy, TX. The halfway point is Centerville, TX.

Richardson, TX and Katy, TX are in the same time zone (CDT). Current time in both locations is 12:17 pm.

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Lowest Price Rental Cars in Richardson, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Richardson »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 10.82 gallons of gas to cover the route between Richardson, TX and Katy, TX.

The estimated cost of gas to go from Richardson to Katy is $35.14.

During the route, an average car will release 211.95 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 $3.25 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Richardson, TX and Katy, TX

If you want to meet halfway between Richardson, TX and Katy, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 31.242138 and -95.989685, or 31º 14' 31.6968" N, 95º 59' 22.866" W. This location is 134.69 miles away from Richardson, TX and Katy, TX and it would take approximately 2 hours 23 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Centerville, TX, situated 135 miles from Richardson, TX and 135 miles from Katy, TX. It would take 2 hours 20 mins to go from Richardson to Centerville and 2 hours 25 mins to go from Katy to Centerville.