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

Distance from Grass Range, MT to Harrold, SD

Distance

617 mi

Time

10 hours 59 mins

Gas Cost

$57 - $112

There are 469.48 miles from Grass Range to Harrold in southeast direction and 617 miles (992.97 kilometers) by car, following the MT 200 route.

Grass Range and Harrold are 10 hours 59 mins far apart, if you drive non-stop .

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

Please note the time difference between Grass Range, MT and Harrold, SD is 1 hour. The current time in Grass Range is 1:44 am and the current time in Harrold is 2:44 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 Harrold, 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 24.77 gallons of gas to cover the route between Grass Range, MT and Harrold, SD.

The estimated cost of gas to go from Grass Range to Harrold is $80.79.

During the route, an average car will release 485.26 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 Harrold, SD

If you want to meet halfway between Grass Range, MT and Harrold, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.896966 and -103.272266, or 46º 53' 49.0776" N, 103º 16' 20.1576" W. This location is 308.37 miles away from Grass Range, MT and Harrold, SD and it would take approximately 5 hours 29 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Fryburg, ND, situated 289 miles from Grass Range, MT and 331 miles from Harrold, SD. It would take 5 hours 10 mins to go from Grass Range to Fryburg and 5 hours 58 mins to go from Harrold to Fryburg.