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

Distance from Boulder, MT to Augusta, KY

Distance

1,794 mi

Time

1 day 8 hours

Gas Cost

$169 - $328

There are 1,512.55 miles from Boulder to Augusta in southeast direction and 1,794 miles (2,887.16 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Boulder and Augusta are 1 day 8 hours far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to Augusta, KY. The halfway point is Spencer, SD.

Please note the time difference between Boulder, MT and Augusta, KY is 2 hours. The current time in Boulder is 1:38 am and the current time in Augusta is 3:38 am.

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Lowest Price Rental Cars in Boulder, MT

Planning on renting a car to go from Boulder, MT to Augusta, KY? 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 72.03 gallons of gas to cover the route between Boulder, MT and Augusta, KY.

The estimated cost of gas to go from Boulder to Augusta is $237.05.

During the route, an average car will release 1,411.21 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, KY

If you want to meet halfway between Boulder, MT and Augusta, KY or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.686020 and -97.613731, or 43º 41' 9.672" N, 97º 36' 49.4316" W. This location is 896.77 miles away from Boulder, MT and Augusta, KY and it would take approximately 16 hours 1 min to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Spencer, SD, situated 897 miles from Boulder, MT and 944 miles from Augusta, KY. It would take 13 hours 19 mins to go from Boulder to Spencer and 14 hours 40 mins to go from Augusta to Spencer.