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

Distance from Tomball, TX to Keystone, IN

Distance

1,107 mi

Time

20 hours 14 mins

Gas Cost

$103 - $201

There are 929.59 miles from Tomball to Keystone in northeast direction and 1,107 miles (1,781.54 kilometers) by car, following the I-70 route.

Tomball and Keystone are 20 hours 14 mins far apart, if you drive non-stop .

This is the fastest route from Tomball, TX to Keystone, IN. The halfway point is Marion, AR.

Please note the time difference between Tomball, TX and Keystone, IN is 1 hour. The current time in Tomball is 2:26 pm and the current time in Keystone is 3:26 pm.

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Lowest Price Rental Cars in Tomball, TX

Planning on renting a car to go from Tomball, TX to Keystone, IN? 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 44.44 gallons of gas to cover the route between Tomball, TX and Keystone, IN.

The estimated cost of gas to go from Tomball to Keystone is $144.98.

During the route, an average car will release 870.77 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Tomball, TX and Keystone, IN

If you want to meet halfway between Tomball, TX and Keystone, IN or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 35.216148 and -90.212654, or 35º 12' 58.1328" N, 90º 12' 45.5544" W. This location is 553.34 miles away from Tomball, TX and Keystone, IN and it would take approximately 10 hours 7 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Marion, AR, situated 561 miles from Tomball, TX and 547 miles from Keystone, IN. It would take 9 hours 10 mins to go from Tomball to Marion and 8 hours 55 mins to go from Keystone to Marion.

Major City Closest to Halfway Point

The major city closest to the halfway point between Tomball, TX and Keystone, IN is Memphis, TN, situated 566 miles from Tomball, TX and 558 miles from Keystone, IN. It would take 9 hours 14 mins to go from Tomball to and 9 hours 7 mins to go from Keystone to Memphis.