Distance between cities › USA › Arkansas › Cotter, AR › Distance from Cotter to Grass Range Book Hotels

Distance from Cotter, AR to Grass Range, MT

Distance

1,389 mi

Time

1 day 1 hour

Gas Cost

$129 - $252

There are 1,117.43 miles from Cotter to Grass Range in northwest direction and 1,389 miles (2,235.38 kilometers) by car, following the I-90 route.

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

This is the fastest route from Cotter, AR to Grass Range, MT.

Please note the time difference between Cotter, AR and Grass Range, MT is 1 hour. The current time in Cotter is 4:04 am and the current time in Grass Range is 3:04 am.

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Lowest Price Rental Cars in Cotter, AR

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Cotter »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 55.77 gallons of gas to cover the route between Cotter, AR and Grass Range, MT.

The estimated cost of gas to go from Cotter to Grass Range is $181.93.

During the route, an average car will release 1,092.70 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Cotter, AR and Grass Range, MT

If you want to meet halfway between Cotter, AR and Grass Range, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.715796 and -98.695984, or 43º 42' 56.8656" N, 98º 41' 45.5424" W. This location is 694.37 miles away from Cotter, AR and Grass Range, MT and it would take approximately 12 hours 34 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is White Lake, SD, situated 745 miles from Cotter, AR and 645 miles from Grass Range, MT. It would take 13 hours 41 mins to go from Cotter to White Lake and 11 hours 30 mins to go from Grass Range to White Lake.