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

Distance from Grass Range, MT to Pasadena, CA

Distance

1,284 mi

Time

23 hours 6 mins

Gas Cost

$120 - $233

There are 1,014.13 miles from Grass Range to Pasadena in southwest direction and 1,284 miles (2,066.40 kilometers) by car, following the I-15 route.

Grass Range and Pasadena are 23 hours 6 mins far apart, if you drive non-stop .

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

Please note the time difference between Grass Range, MT and Pasadena, CA is 1 hour. The current time in Grass Range is 4:30 am and the current time in Pasadena is 3:30 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 Pasadena, 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 51.58 gallons of gas to cover the route between Grass Range, MT and Pasadena, CA.

The estimated cost of gas to go from Grass Range to Pasadena is $168.24.

During the route, an average car will release 1,010.50 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 Pasadena, CA

If you want to meet halfway between Grass Range, MT and Pasadena, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.372427 and -111.805705, or 40º 22' 20.7372" N, 111º 48' 20.538" W. This location is 642.14 miles away from Grass Range, MT and Pasadena, CA and it would take approximately 11 hours 33 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is American Fork, UT, situated 636 miles from Grass Range, MT and 649 miles from Pasadena, CA. It would take 11 hours 53 mins to go from Grass Range to American Fork and 11 hours 17 mins to go from Pasadena to American Fork.

Major City Closest to Halfway Point

The major city closest to the halfway point between Grass Range, MT and Pasadena, CA is Salt Lake City, UT, situated 606 miles from Grass Range, MT and 681 miles from Pasadena, CA. It would take 11 hours 22 mins to go from Grass Range to Salt Lake City and 11 hours 52 mins to go from Pasadena to Salt Lake City.

Major Cities Along the Route

Some other major cities along the route include North Las Vegas, NV, West Jordan, UT, Rancho Cucamonga, CA, Provo, UT, Victorville, CA and Las Vegas, NV.