Distance between cities › USA › Texas › Keller, TX › Distance from Keller to Flat Book Hotels

Distance from Keller, TX to Flat, TX

Distance

146 mi

Time

2 hours 50 mins

Gas Cost

$13 - $26

There are 114.73 miles from Keller to Flat in south direction and 146 miles (234.96 kilometers) by car, following the I-35W route.

Keller and Flat are 2 hours 50 mins far apart, if you drive non-stop .

This is the fastest route from Keller, TX to Flat, TX. The halfway point is Hillsboro, TX.

Keller, TX and Flat, TX are in the same time zone (CDT). Current time in both locations is 6:40 pm.

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Lowest Price Rental Cars in Keller, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Keller »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 5.85 gallons of gas to cover the route between Keller, TX and Flat, TX.

The estimated cost of gas to go from Keller to Flat is $18.77.

During the route, an average car will release 114.70 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 Keller, TX and Flat, TX

If you want to meet halfway between Keller, TX and Flat, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 31.979248 and -97.115952, or 31º 58' 45.2928" N, 97º 6' 57.4272" W. This location is 72.89 miles away from Keller, TX and Flat, TX and it would take approximately 1 hour 25 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hillsboro, TX, situated 73 miles from Keller, TX and 73 miles from Flat, TX. It would take 1 hour 13 mins to go from Keller to Hillsboro and 1 hour 27 mins to go from Flat to Hillsboro.