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

Distance from Grass Range, MT to Petaluma, CA

Distance

1,214 mi

Time

22 hours 26 mins

Gas Cost

$113 - $220

There are 926.85 miles from Grass Range to Petaluma in southwest direction and 1,214 miles (1,953.74 kilometers) by car, following the I-80 route.

Grass Range and Petaluma are 22 hours 26 mins far apart, if you drive non-stop .

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

Please note the time difference between Grass Range, MT and Petaluma, CA is 1 hour. The current time in Grass Range is 4:40 am and the current time in Petaluma is 3:40 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 Petaluma, 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 48.74 gallons of gas to cover the route between Grass Range, MT and Petaluma, CA.

The estimated cost of gas to go from Grass Range to Petaluma is $159.

During the route, an average car will release 955 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 Petaluma, CA

If you want to meet halfway between Grass Range, MT and Petaluma, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.915333 and -114.699171, or 41º 54' 55.1988" N, 114º 41' 57.0156" W. This location is 606.87 miles away from Grass Range, MT and Petaluma, CA and it would take approximately 11 hours 13 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Jackpot, NV, situated 599 miles from Grass Range, MT and 615 miles from Petaluma, CA. It would take 11 hours 29 mins to go from Grass Range to Jackpot and 10 hours 57 mins to go from Petaluma to Jackpot.