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

Distance from Grass Range, MT to Alta, UT

Distance

633 mi

Time

11 hours 59 mins

Gas Cost

$58 - $113

There are 466.58 miles from Grass Range to Alta in southwest direction and 633 miles (1,018.71 kilometers) by car, following the I-15 and US-20 route.

Grass Range and Alta are 11 hours 59 mins far apart, if you drive non-stop .

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

Grass Range, MT and Alta, UT are in the same time zone (MDT). Current time in both locations is 10:55 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 Alta, 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 25.41 gallons of gas to cover the route between Grass Range, MT and Alta, UT.

The estimated cost of gas to go from Grass Range to Alta is $81.41.

During the route, an average car will release 497.81 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 Alta, UT

If you want to meet halfway between Grass Range, MT and Alta, UT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.552414 and -111.353874, or 44º 33' 8.6904" N, 111º 21' 13.9464" W. This location is 316.34 miles away from Grass Range, MT and Alta, UT and it would take approximately 5 hours 59 mins 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 319 miles from Alta, UT. It would take 5 hours 58 mins to go from Grass Range to Island Park and 5 hours 19 mins to go from Alta to Island Park.