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

Distance from Grass Range, MT to Arnold, CA

Distance

1,116 mi

Time

20 hours 58 mins

Gas Cost

$104 - $202

There are 841.83 miles from Grass Range to Arnold in southwest direction and 1,116 miles (1,796.03 kilometers) by car, following the I-80 route.

Grass Range and Arnold are 20 hours 58 mins far apart, if you drive non-stop .

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

Please note the time difference between Grass Range, MT and Arnold, CA is 1 hour. The current time in Grass Range is 3:02 am and the current time in Arnold is 2:02 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 Arnold, 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 44.81 gallons of gas to cover the route between Grass Range, MT and Arnold, CA.

The estimated cost of gas to go from Grass Range to Arnold is $146.18.

During the route, an average car will release 877.98 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 Arnold, CA

If you want to meet halfway between Grass Range, MT and Arnold, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.548184 and -114.368936, or 42º 32' 53.4624" N, 114º 22' 8.1696" W. This location is 557.92 miles away from Grass Range, MT and Arnold, CA and it would take approximately 10 hours 29 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kimberly, ID, situated 548 miles from Grass Range, MT and 568 miles from Arnold, CA. It would take 10 hours 22 mins to go from Grass Range to Kimberly and 10 hours 38 mins to go from Arnold to Kimberly.