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

Distance from Grass Range, MT to Agar, SD

Distance

577 mi

Time

10 hours 13 mins

Gas Cost

$53 - $103

There are 445.63 miles from Grass Range to Agar in southeast direction and 577 miles (928.59 kilometers) by car, following the MT 200 route.

Grass Range and Agar are 10 hours 13 mins far apart, if you drive non-stop .

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

Please note the time difference between Grass Range, MT and Agar, SD is 1 hour. The current time in Grass Range is 12:12 am and the current time in Agar is 1:12 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 Agar, 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 23.17 gallons of gas to cover the route between Grass Range, MT and Agar, SD.

The estimated cost of gas to go from Grass Range to Agar is $74.24.

During the route, an average car will release 453.97 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Grass Range, MT and Agar, SD

If you want to meet halfway between Grass Range, MT and Agar, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.93451 and -103.594232, or 46º 56' 4.236" N, 103º 35' 39.2352" W. This location is 288.48 miles away from Grass Range, MT and Agar, SD and it would take approximately 5 hours 6 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Medora, ND, situated 276 miles from Grass Range, MT and 301 miles from Agar, SD. It would take 4 hours 57 mins to go from Grass Range to Medora and 5 hours 22 mins to go from Agar to Medora.