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

Distance from Grass Range, MT to New Effington, SD

Distance

671 mi

Time

11 hours 18 mins

Gas Cost

$63 - $122

There are 571.02 miles from Grass Range to New Effington in east direction and 671 miles (1,079.87 kilometers) by car, following the I-94 route.

Grass Range and New Effington are 11 hours 18 mins far apart, if you drive non-stop .

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

Please note the time difference between Grass Range, MT and New Effington, SD is 1 hour. The current time in Grass Range is 1:51 pm and the current time in New Effington is 2:51 pm.

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Lowest Price Rental Cars in Grass Range, MT

Planning on renting a car to go from Grass Range, MT to New Effington, 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 26.97 gallons of gas to cover the route between Grass Range, MT and New Effington, SD.

The estimated cost of gas to go from Grass Range to New Effington is $87.96.

During the route, an average car will release 528.31 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 New Effington, SD

If you want to meet halfway between Grass Range, MT and New Effington, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.877045 and -102.41638, or 46º 52' 37.362" N, 102º 24' 58.968" W. This location is 335.72 miles away from Grass Range, MT and New Effington, SD and it would take approximately 5 hours 39 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Taylor, ND, situated 331 miles from Grass Range, MT and 344 miles from New Effington, SD. It would take 5 hours 51 mins to go from Grass Range to Taylor and 5 hours 37 mins to go from New Effington to Taylor.