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

Distance from Grass Range, MT to Orem, UT

Distance

644 mi

Time

12 hours 2 mins

Gas Cost

$59 - $115

There are 486.77 miles from Grass Range to Orem in southwest direction and 644 miles (1,036.42 kilometers) by car, following the I-15 and US-20 route.

Grass Range and Orem are 12 hours 2 mins far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Orem, UT. The halfway point is Island Park, ID.

Grass Range, MT and Orem, UT are in the same time zone (MDT). Current time in both locations is 12:12 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 Orem, UT? 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 25.85 gallons of gas to cover the route between Grass Range, MT and Orem, UT.

The estimated cost of gas to go from Grass Range to Orem is $82.83.

During the route, an average car will release 506.52 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 Orem, UT

If you want to meet halfway between Grass Range, MT and Orem, UT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.469025 and -111.388176, or 44º 28' 8.49" N, 111º 23' 17.4336" W. This location is 321.88 miles away from Grass Range, MT and Orem, UT and it would take approximately 6 hours 1 min to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Island Park, ID, situated 314 miles from Grass Range, MT and 330 miles from Orem, UT. It would take 5 hours 53 mins to go from Grass Range to Island Park and 5 hours 19 mins to go from Orem to Island Park.