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

Distance from Grass Range, MT to Monarch Beach, CA

Distance

1,307 mi

Time

23 hours 40 mins

Gas Cost

$122 - $237

There are 1,045.60 miles from Grass Range to Monarch Beach in southwest direction and 1,307 miles (2,103.41 kilometers) by car, following the I-15 route.

Grass Range and Monarch Beach are 23 hours 40 mins far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Monarch Beach, CA.

Please note the time difference between Grass Range, MT and Monarch Beach, CA is 1 hour. The current time in Grass Range is 4:36 am and the current time in Monarch Beach is 3:36 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 Monarch Beach, CA? 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 52.50 gallons of gas to cover the route between Grass Range, MT and Monarch Beach, CA.

The estimated cost of gas to go from Grass Range to Monarch Beach is $171.25.

During the route, an average car will release 1,028.53 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 Monarch Beach, CA

If you want to meet halfway between Grass Range, MT and Monarch Beach, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.276502 and -111.72007, or 40º 16' 35.4072" N, 111º 43' 12.252" W. This location is 653.59 miles away from Grass Range, MT and Monarch Beach, CA and it would take approximately 11 hours 50 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Orem, UT, situated 644 miles from Grass Range, MT and 667 miles from Monarch Beach, CA. It would take 12 hours 2 mins to go from Grass Range to Orem and 11 hours 46 mins to go from Monarch Beach to Orem.

Major City Closest to Halfway Point

The major city closest to the halfway point between Grass Range, MT and Monarch Beach, CA is Provo, UT, situated 649 miles from Grass Range, MT and 660 miles from Monarch Beach, CA. It would take 12 hours 8 mins to go from Grass Range to Provo and 11 hours 40 mins to go from Monarch Beach to Provo.

Major Cities Along the Route

Some other major cities along the route include Corona, CA, North Las Vegas, NV, West Jordan, UT, Rancho Cucamonga, CA, Salt Lake City, UT, Victorville, CA, Las Vegas, NV and Irvine, CA.