Distance between cities › USA › Texas › Tomball, TX › Distance from Tomball to Allen Book Hotels

Distance from Tomball, TX to Allen, TX

Distance

246 mi

Time

4 hours 26 mins

Gas Cost

$23 - $44

There are 216.76 miles from Tomball to Allen in northwest direction and 246 miles (395.90 kilometers) by car, following the I-45 route.

Tomball and Allen are 4 hours 26 mins far apart, if you drive non-stop .

This is the fastest route from Tomball, TX to Allen, TX. The halfway point is Donie, TX.

Tomball, TX and Allen, TX are in the same time zone (CDT). Current time in both locations is 1:02 am.

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Lowest Price Rental Cars in Tomball, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Tomball »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 9.88 gallons of gas to cover the route between Tomball, TX and Allen, TX.

The estimated cost of gas to go from Tomball to Allen is $31.67.

During the route, an average car will release 193.55 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 Tomball, TX and Allen, TX

If you want to meet halfway between Tomball, TX and Allen, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 31.555319 and -96.131821, or 31º 33' 19.1484" N, 96º 7' 54.5556" W. This location is 123 miles away from Tomball, TX and Allen, TX and it would take approximately 2 hours 13 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Donie, TX, situated 124 miles from Tomball, TX and 139 miles from Allen, TX. It would take 2 hours 23 mins to go from Tomball to Donie and 2 hours 26 mins to go from Allen to Donie.