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

Distance from Boulder, MT to Chester, MT

Distance

210 mi

Time

3 hours 36 mins

Gas Cost

$19 - $38

There are 166.13 miles from Boulder to Chester in northeast direction and 210 miles (337.96 kilometers) by car, following the I-15 route.

Boulder and Chester are 3 hours 36 mins far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to Chester, MT.

Boulder, MT and Chester, MT are in the same time zone (MDT). Current time in both locations is 2:07 am.

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Lowest Price Rental Cars in Boulder, MT

Planning on renting a car to go from Boulder, MT to Chester, MT? 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 8.44 gallons of gas to cover the route between Boulder, MT and Chester, MT.

The estimated cost of gas to go from Boulder to Chester is $27.23.

During the route, an average car will release 165.44 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 $3.23 per gallon of regular gas. Price last updated on March 13, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Boulder, MT and Chester, MT

If you want to meet halfway between Boulder, MT and Chester, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 47.43715 and -111.493199, or 47º 26' 13.74" N, 111º 29' 35.5164" W. This location is 105.13 miles away from Boulder, MT and Chester, MT and it would take approximately 1 hour 48 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Ulm, MT, situated 106 miles from Boulder, MT and 105 miles from Chester, MT. It would take 1 hour 42 mins to go from Boulder to Ulm and 1 hour 54 mins to go from Chester to Ulm.