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

Distance from Grass Range, MT to Louann, AR

Distance

1,646 mi

Time

1 day 5 hours

Gas Cost

$153 - $298

There are 1,260.53 miles from Grass Range to Louann in southeast direction and 1,646 miles (2,648.98 kilometers) by car, following the I-29 route.

Grass Range and Louann are 1 day 5 hours far apart, if you drive non-stop .

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

Please note the time difference between Grass Range, MT and Louann, AR is 1 hour. The current time in Grass Range is 6:21 am and the current time in Louann is 7:21 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 Louann, AR? 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 66.10 gallons of gas to cover the route between Grass Range, MT and Louann, AR.

The estimated cost of gas to go from Grass Range to Louann is $215.61.

During the route, an average car will release 1,294.98 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 Louann, AR

If you want to meet halfway between Grass Range, MT and Louann, AR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.586066 and -96.77123, or 43º 35' 9.8376" N, 96º 46' 16.428" W. This location is 822.91 miles away from Grass Range, MT and Louann, AR and it would take approximately 14 hours 36 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Buffalo Ridge, SD, situated 742 miles from Grass Range, MT and 903 miles from Louann, AR. It would take 13 hours 3 mins to go from Grass Range to Buffalo Ridge and 16 hours 13 mins to go from Louann to Buffalo Ridge.

Major City Closest to Halfway Point

The major city closest to the halfway point between Grass Range, MT and Louann, AR is Sioux Falls, SD, situated 751 miles from Grass Range, MT and 900 miles from Louann, AR. It would take 13 hours 14 mins to go from Grass Range to Sioux Falls and 16 hours 11 mins to go from Louann to Sioux Falls.