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

Distance from Grass Range, MT to Orr, ND

Distance

639 mi

Time

11 hours 19 mins

Gas Cost

$60 - $116

There are 523.66 miles from Grass Range to Orr in east direction and 639 miles (1,028.37 kilometers) by car, following the I-94 route.

Grass Range and Orr are 11 hours 19 mins far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Orr, ND.

Please note the time difference between Grass Range, MT and Orr, ND is 1 hour. The current time in Grass Range is 12:23 am and the current time in Orr is 1:23 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 Orr, ND? 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 25.66 gallons of gas to cover the route between Grass Range, MT and Orr, ND.

The estimated cost of gas to go from Grass Range to Orr is $83.71.

During the route, an average car will release 502.75 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 Orr, ND

If you want to meet halfway between Grass Range, MT and Orr, ND or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.895865 and -102.781509, or 46º 53' 45.114" N, 102º 46' 53.4324" W. This location is 319.48 miles away from Grass Range, MT and Orr, ND 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 Dickinson, ND, situated 312 miles from Grass Range, MT and 328 miles from Orr, ND. It would take 5 hours 31 mins to go from Grass Range to Dickinson and 5 hours 52 mins to go from Orr to Dickinson.