Distance between cities › USA › Montana › Grass Range, MT › Distance from Grass Range to Allison Book Hotels

Distance from Grass Range, MT to Allison, TX

Distance

1,132 mi

Time

20 hours 11 mins

Gas Cost

$94 - $184

There are 907.87 miles from Grass Range to Allison in southeast direction and 1,132 miles (1,821.78 kilometers) by car, following the US-87 route.

Grass Range and Allison are 20 hours 11 mins far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Allison, TX.

Please note the time difference between Grass Range, MT and Allison, TX is 1 hour. The current time in Grass Range is 12:17 am and the current time in Allison is 1:17 am.

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Lowest Price Rental Cars in Grass Range, MT

Planning on renting a car to go from Grass Range, MT to Allison, TX? Here there are some offers to rent a car in Grass Range, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Grass Range »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 45.47 gallons of gas to cover the route between Grass Range, MT and Allison, TX.

The estimated cost of gas to go from Grass Range to Allison is $132.79.

During the route, an average car will release 890.94 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 $2.92 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Grass Range, MT and Allison, TX

If you want to meet halfway between Grass Range, MT and Allison, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.882964 and -104.952546, or 40º 52' 58.6704" N, 104º 57' 9.1656" W. This location is 566.16 miles away from Grass Range, MT and Allison, TX and it would take approximately 10 hours 5 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Carr, CO, situated 564 miles from Grass Range, MT and 576 miles from Allison, TX. It would take 9 hours 41 mins to go from Grass Range to Carr and 10 hours 44 mins to go from Allison to Carr.

Major City Closest to Halfway Point

The major city closest to the halfway point between Grass Range, MT and Allison, TX is Fort Collins, CO, situated 588 miles from Grass Range, MT and 553 miles from Allison, TX. It would take 10 hours 6 mins to go from Grass Range to Fort Collins and 10 hours 23 mins to go from Allison to Fort Collins.