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

Distance from Grass Range, MT to Forest Hill, TX

Distance

1,400 mi

Time

1 day

Gas Cost

$130 - $254

There are 1,162.52 miles from Grass Range to Forest Hill in southeast direction and 1,400 miles (2,253.08 kilometers) by car, following the US-87 route.

Grass Range and Forest Hill are 1 day far apart, if you drive non-stop .

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

Please note the time difference between Grass Range, MT and Forest Hill, TX is 1 hour. The current time in Grass Range is 3:34 am and the current time in Forest Hill is 4:34 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 Forest Hill, 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 56.22 gallons of gas to cover the route between Grass Range, MT and Forest Hill, TX.

The estimated cost of gas to go from Grass Range to Forest Hill is $183.38.

During the route, an average car will release 1,101.42 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 Grass Range, MT and Forest Hill, TX

If you want to meet halfway between Grass Range, MT and Forest Hill, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.571947 and -104.018034, or 39º 34' 19.0092" N, 104º 1' 4.9224" W. This location is 699.91 miles away from Grass Range, MT and Forest Hill, TX and it would take approximately 12 hours 28 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Deer Trail, CO, situated 690 miles from Grass Range, MT and 710 miles from Forest Hill, TX. It would take 11 hours 46 mins to go from Grass Range to Deer Trail and 13 hours 11 mins to go from Forest Hill to Deer Trail.