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

Distance from Boulder, MT to Augusta, WI

Distance

1,179 mi

Time

20 hours 34 mins

Gas Cost

$111 - $216

There are 1,020.44 miles from Boulder to Augusta in east direction and 1,179 miles (1,897.42 kilometers) by car, following the I-94 route.

Boulder and Augusta are 20 hours 34 mins far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to Augusta, WI. The halfway point is Glen Ullin, ND.

Please note the time difference between Boulder, MT and Augusta, WI is 1 hour. The current time in Boulder is 1:38 am and the current time in Augusta is 2:38 am.

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Lowest Price Rental Cars in Boulder, MT

Planning on renting a car to go from Boulder, MT to Augusta, WI? 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 47.34 gallons of gas to cover the route between Boulder, MT and Augusta, WI.

The estimated cost of gas to go from Boulder to Augusta is $155.79.

During the route, an average car will release 927.46 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 Augusta, WI

If you want to meet halfway between Boulder, MT and Augusta, WI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.871300 and -101.728310, or 46º 52' 16.68" N, 101º 43' 41.916" W. This location is 589.37 miles away from Boulder, MT and Augusta, WI and it would take approximately 10 hours 17 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Glen Ullin, ND, situated 593 miles from Boulder, MT and 594 miles from Augusta, WI. It would take 9 hours 55 mins to go from Boulder to Glen Ullin and 9 hours 3 mins to go from Augusta to Glen Ullin.