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

Distance from Boulder, MT to Acton, MA

Distance

2,439 mi

Time

1 day 20 hours

Gas Cost

$229 - $446

There are 2,004.24 miles from Boulder to Acton in east direction and 2,439 miles (3,925.19 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Boulder and Acton are 1 day 20 hours far apart, if you drive non-stop .

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

Please note the time difference between Boulder, MT and Acton, MA is 2 hours. The current time in Boulder is 1:36 am and the current time in Acton is 3:36 am.

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Lowest Price Rental Cars in Boulder, MT

Planning on renting a car to go from Boulder, MT to Acton, 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 97.95 gallons of gas to cover the route between Boulder, MT and Acton, MA.

The estimated cost of gas to go from Boulder to Acton is $322.36.

During the route, an average car will release 1,919.06 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 Boulder, MT and Acton, MA

If you want to meet halfway between Boulder, MT and Acton, MA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.889969 and -91.643478, or 43º 53' 23.8884" N, 91º 38' 36.5208" W. This location is 1,219.50 miles away from Boulder, MT and Acton, MA and it would take approximately 22 hours 8 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Rushford, MN, situated 1,209 miles from Boulder, MT and 1,304 miles from Acton, MA. It would take 17 hours 45 mins to go from Boulder to Rushford and 19 hours 55 mins to go from Acton to Rushford.