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

Distance from Grass Range, MT to Hosmer, SD

Distance

553 mi

Time

10 hours 6 mins

Gas Cost

$52 - $100

There are 456.15 miles from Grass Range to Hosmer in southeast direction and 553 miles (889.97 kilometers) by car, following the MT 200 route.

Grass Range and Hosmer are 10 hours 6 mins far apart, if you drive non-stop .

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

Please note the time difference between Grass Range, MT and Hosmer, SD is 1 hour. The current time in Grass Range is 4:35 am and the current time in Hosmer is 5:35 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 Hosmer, 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 22.21 gallons of gas to cover the route between Grass Range, MT and Hosmer, SD.

The estimated cost of gas to go from Grass Range to Hosmer is $72.44.

During the route, an average car will release 435.06 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 Hosmer, SD

If you want to meet halfway between Grass Range, MT and Hosmer, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.950626 and -103.683678, or 46º 57' 2.2536" N, 103º 41' 1.2408" W. This location is 276.46 miles away from Grass Range, MT and Hosmer, SD and it would take approximately 5 hours 3 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Sentinel Butte, ND, situated 263 miles from Grass Range, MT and 294 miles from Hosmer, SD. It would take 4 hours 44 mins to go from Grass Range to Sentinel Butte and 5 hours 32 mins to go from Hosmer to Sentinel Butte.