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

Distance from Grass Range, MT to Richfield, UT

Distance

767 mi

Time

14 hours 11 mins

Gas Cost

$71 - $139

There are 593.78 miles from Grass Range to Richfield in southwest direction and 767 miles (1,234.37 kilometers) by car, following the I-15 and US-20 route.

Grass Range and Richfield are 14 hours 11 mins far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Richfield, UT.

Grass Range, MT and Richfield, UT are in the same time zone (MDT). Current time in both locations is 3:40 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Grass Range, MT to Richfield, UT:

Lowest Price Rental Cars in Grass Range, MT

Planning on renting a car to go from Grass Range, MT to Richfield, 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 30.79 gallons of gas to cover the route between Grass Range, MT and Richfield, UT.

The estimated cost of gas to go from Grass Range to Richfield is $100.44.

During the route, an average car will release 603.25 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 Richfield, UT

If you want to meet halfway between Grass Range, MT and Richfield, UT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.86193 and -111.785923, or 43º 51' 42.948" N, 111º 47' 9.3228" W. This location is 383.34 miles away from Grass Range, MT and Richfield, UT and it would take approximately 7 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 Sugar City, ID, situated 362 miles from Grass Range, MT and 405 miles from Richfield, UT. It would take 7 hours 19 mins to go from Grass Range to Sugar City and 6 hours 55 mins to go from Richfield to Sugar City.