Distance between cities › USA › Montana › Boulder, MT › Distance from Boulder to Ashfield Book Hotels

Distance from Boulder, MT to Ashfield, MA

Distance

2,335 mi

Time

1 day 19 hours

Gas Cost

$218 - $423

There are 1,938.92 miles from Boulder to Ashfield in east direction and 2,335 miles (3,757.82 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Boulder and Ashfield are 1 day 19 hours far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to Ashfield, MA. The halfway point is Eyota, MN.

Please note the time difference between Boulder, MT and Ashfield, MA is 2 hours. The current time in Boulder is 12:02 am and the current time in Ashfield is 2:02 am.

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Lowest Price Rental Cars in Boulder, MT

Planning on renting a car to go from Boulder, MT to Ashfield, MA? Here there are some offers to rent a car in Boulder, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Boulder »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 93.76 gallons of gas to cover the route between Boulder, MT and Ashfield, MA.

The estimated cost of gas to go from Boulder to Ashfield is $305.85.

During the route, an average car will release 1,836.97 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 Boulder, MT and Ashfield, MA

If you want to meet halfway between Boulder, MT and Ashfield, MA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.954182 and -92.327042, or 43º 57' 15.0552" N, 92º 19' 37.3512" W. This location is 1,167.32 miles away from Boulder, MT and Ashfield, MA and it would take approximately 21 hours 34 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Eyota, MN, situated 1,177 miles from Boulder, MT and 1,225 miles from Ashfield, MA. It would take 17 hours 11 mins to go from Boulder to Eyota and 19 hours 10 mins to go from Ashfield to Eyota.

Major City Closest to Halfway Point

The major city closest to the halfway point between Boulder, MT and Ashfield, MA is Rochester, MN, situated 1,171 miles from Boulder, MT and 1,239 miles from Ashfield, MA. It would take 17 hours 6 mins to go from Boulder to and 19 hours 21 mins to go from Ashfield to Rochester.