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

Distance from Grass Range, MT to Worthing, SD

Distance

766 mi

Time

13 hours 27 mins

Gas Cost

$71 - $139

There are 638.85 miles from Grass Range to Worthing in southeast direction and 766 miles (1,232.76 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Grass Range and Worthing are 13 hours 27 mins far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Worthing, SD. The halfway point is Sturgis, SD.

Please note the time difference between Grass Range, MT and Worthing, SD is 1 hour. The current time in Grass Range is 3:04 am and the current time in Worthing is 4:04 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 Worthing, 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 30.75 gallons of gas to cover the route between Grass Range, MT and Worthing, SD.

The estimated cost of gas to go from Grass Range to Worthing is $100.29.

During the route, an average car will release 602.36 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 Worthing, SD

If you want to meet halfway between Grass Range, MT and Worthing, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.421940 and -103.543381, or 44º 25' 18.984" N, 103º 32' 36.1716" W. This location is 382.78 miles away from Grass Range, MT and Worthing, SD and it would take approximately 6 hours 43 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Sturgis, SD, situated 436 miles from Grass Range, MT and 386 miles from Worthing, SD. It would take 7 hours 36 mins to go from Grass Range to Sturgis and 5 hours 6 mins to go from Worthing to Sturgis.