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

Distance from Boulder, MT to Aurora, IN

Distance

1,734 mi

Time

1 day 6 hours

Gas Cost

$162 - $314

There are 1,460.88 miles from Boulder to Aurora in southeast direction and 1,734 miles (2,790.60 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Boulder and Aurora are 1 day 6 hours far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to Aurora, IN. The halfway point is Mitchell, SD.

Please note the time difference between Boulder, MT and Aurora, IN is 2 hours. The current time in Boulder is 12:01 am and the current time in Aurora is 2:01 am.

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Lowest Price Rental Cars in Boulder, MT

Planning on renting a car to go from Boulder, MT to Aurora, IN? 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 69.66 gallons of gas to cover the route between Boulder, MT and Aurora, IN.

The estimated cost of gas to go from Boulder to Aurora is $227.22.

During the route, an average car will release 1,364.69 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 Aurora, IN

If you want to meet halfway between Boulder, MT and Aurora, IN or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.724861 and -98.056282, or 43º 43' 29.4996" N, 98º 3' 22.6152" W. This location is 867.21 miles away from Boulder, MT and Aurora, IN and it would take approximately 15 hours 25 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mitchell, SD, situated 871 miles from Boulder, MT and 903 miles from Aurora, IN. It would take 12 hours 54 mins to go from Boulder to Mitchell and 13 hours 46 mins to go from Aurora to Mitchell.