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

Distance from Katy, TX to Trinity, TX

Distance

106 mi

Time

2 hours 2 mins

Gas Cost

$10 - $19

There are 84.46 miles from Katy to Trinity in northeast direction and 106 miles (170.59 kilometers) by car, following the I-45 route.

Katy and Trinity are 2 hours 2 mins far apart, if you drive non-stop .

This is the fastest route from Katy, TX to Trinity, TX. The halfway point is Shenandoah, TX.

Katy, TX and Trinity, TX are in the same time zone (CDT). Current time in both locations is 8:04 pm.

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Lowest Price Rental Cars in Katy, TX

Planning on renting a car to go from Katy, TX to Trinity, TX? 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 4.26 gallons of gas to cover the route between Katy, TX and Trinity, TX.

The estimated cost of gas to go from Katy to Trinity is $13.64.

During the route, an average car will release 83.37 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 $3.21 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Katy, TX and Trinity, TX

If you want to meet halfway between Katy, TX and Trinity, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 30.234486 and -95.456116, or 30º 14' 4.1496" N, 95º 27' 22.0176" W. This location is 52.98 miles away from Katy, TX and Trinity, TX and it would take approximately 1 hour 1 min to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Shenandoah, TX, situated 49 miles from Katy, TX and 58 miles from Trinity, TX. It would take 56 minutes to go from Katy to Shenandoah and 1 hour 3 mins to go from Trinity to Shenandoah.

Major City Closest to Halfway Point

The major city closest to the halfway point between Katy, TX and Trinity, TX is The Woodlands, TX, situated 48 miles from Katy, TX and 59 miles from Trinity, TX. It would take 55 minutes to go from Katy to and 1 hour 5 mins to go from Trinity to The Woodlands.