Distance between cities › USA › Illinois › Ashton, IL › Distance from Ashton to Grass Range Book Hotels

Distance from Ashton, IL to Grass Range, MT

Distance

1,204 mi

Time

21 hours 17 mins

Gas Cost

$112 - $218

There are 1,026.32 miles from Ashton to Grass Range in northwest direction and 1,204 miles (1,937.65 kilometers) by car, following the I-94 route.

Ashton and Grass Range are 21 hours 17 mins far apart, if you drive non-stop .

This is the fastest route from Ashton, IL to Grass Range, MT.

Please note the time difference between Ashton, IL and Grass Range, MT is 1 hour. The current time in Ashton is 3:28 pm and the current time in Grass Range is 2:28 pm.

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Lowest Price Rental Cars in Ashton, IL

Planning on renting a car to go from Ashton, IL to Grass Range, MT? Here there are some offers to rent a car in Ashton, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Ashton »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 48.35 gallons of gas to cover the route between Ashton, IL and Grass Range, MT.

The estimated cost of gas to go from Ashton to Grass Range is $157.73.

During the route, an average car will release 947.35 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 Ashton, IL and Grass Range, MT

If you want to meet halfway between Ashton, IL and Grass Range, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.875989 and -97.590366, or 46º 52' 33.5604" N, 97º 35' 25.3176" W. This location is 602.01 miles away from Ashton, IL and Grass Range, MT and it would take approximately 10 hours 38 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Buffalo, ND, situated 643 miles from Ashton, IL and 567 miles from Grass Range, MT. It would take 11 hours 50 mins to go from Ashton to Buffalo and 9 hours 36 mins to go from Grass Range to Buffalo.