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

Distance from Grass Range, MT to Smithwick, SD

Distance

474 mi

Time

9 hours 11 mins

Gas Cost

$44 - $86

There are 374.40 miles from Grass Range to Smithwick in southeast direction and 474 miles (762.83 kilometers) by car, following the US-212 and MT 59 route.

Grass Range and Smithwick are 9 hours 11 mins far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Smithwick, SD.

Grass Range, MT and Smithwick, SD are in the same time zone (MDT). Current time in both locations is 2:59 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 Smithwick, SD? 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 19.02 gallons of gas to cover the route between Grass Range, MT and Smithwick, SD.

The estimated cost of gas to go from Grass Range to Smithwick is $62.03.

During the route, an average car will release 372.57 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 Smithwick, SD

If you want to meet halfway between Grass Range, MT and Smithwick, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.548833 and -105.863675, or 45º 32' 55.7988" N, 105º 51' 49.23" W. This location is 236.76 miles away from Grass Range, MT and Smithwick, SD and it would take approximately 4 hours 35 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Sonnette, MT, situated 247 miles from Grass Range, MT and 248 miles from Smithwick, SD. It would take 5 hours 12 mins to go from Grass Range to Sonnette and 5 hours 22 mins to go from Smithwick to Sonnette.