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

Distance from Grass Range, MT to O Neals, CA

Distance

1,307 mi

Time

1 day

Gas Cost

$123 - $239

There are 881.29 miles from Grass Range to O Neals in southwest direction and 1,307 miles (2,103.41 kilometers) by car, following the I-80 route.

Grass Range and O Neals are 1 day far apart, if you drive non-stop .

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

Please note the time difference between Grass Range, MT and O Neals, CA is 1 hour. The current time in Grass Range is 1:28 am and the current time in O Neals is 12:28 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 O Neals, 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 O Neals, CA.

The estimated cost of gas to go from Grass Range to O Neals is $172.76.

During the route, an average car will release 1,028.49 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 $3.29 per gallon of regular gas. Price last updated on March 13, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Grass Range, MT and O Neals, CA

If you want to meet halfway between Grass Range, MT and O Neals, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.296569 and -114.823977, or 41º 17' 47.6484" N, 114º 49' 26.3172" W. This location is 653.57 miles away from Grass Range, MT and O Neals, CA and it would take approximately 12 hours 7 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Wells, NV, situated 667 miles from Grass Range, MT and 641 miles from O Neals, CA. It would take 12 hours 45 mins to go from Grass Range to Wells and 11 hours 33 mins to go from O Neals to Wells.