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

Distance from Katy, TX to Irwin, IA

Distance

961 mi

Time

17 hours 21 mins

Gas Cost

$88 - $171

There are 830.24 miles from Katy to Irwin in north direction and 961 miles (1,546.58 kilometers) by car, following the I-35 route.

Katy and Irwin are 17 hours 21 mins far apart, if you drive non-stop .

This is the fastest route from Katy, TX to Irwin, IA. The halfway point is Billings, OK.

Katy, TX and Irwin, IA are in the same time zone (CDT). Current time in both locations is 6:59 pm.

Any questions or tips to share?

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

Lowest Price Rental Cars in Katy, TX

Planning on renting a car to go from Katy, TX to Irwin, IA? 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 38.60 gallons of gas to cover the route between Katy, TX and Irwin, IA.

The estimated cost of gas to go from Katy to Irwin is $123.67.

During the route, an average car will release 756.22 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 Irwin, IA

If you want to meet halfway between Katy, TX and Irwin, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 36.416912 and -97.420479, or 36º 25' 0.8832" N, 97º 25' 13.7244" W. This location is 480.55 miles away from Katy, TX and Irwin, IA and it would take approximately 8 hours 40 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Billings, OK, situated 536 miles from Katy, TX and 483 miles from Irwin, IA. It would take 8 hours 15 mins to go from Katy to Billings and 7 hours 21 mins to go from Irwin to Billings.