Distance between cities › USA › South Dakota › Vermillion, SD › Distance from Vermillion to Boulder Book Hotels

Distance from Vermillion, SD to Boulder, MT

Distance

930 mi

Time

16 hours 20 mins

Gas Cost

$87 - $168

There are 784.30 miles from Vermillion to Boulder in northwest direction and 930 miles (1,496.69 kilometers) by car, following the I-90 route.

Vermillion and Boulder are 16 hours 20 mins far apart, if you drive non-stop .

This is the fastest route from Vermillion, SD to Boulder, MT.

Please note the time difference between Vermillion, SD and Boulder, MT is 1 hour. The current time in Vermillion is 3:31 pm and the current time in Boulder is 2:31 pm.

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Lowest Price Rental Cars in Vermillion, SD

Planning on renting a car to go from Vermillion, SD to Boulder, MT? Here there are some offers to rent a car in Vermillion, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Vermillion »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 37.34 gallons of gas to cover the route between Vermillion, SD and Boulder, MT.

The estimated cost of gas to go from Vermillion to Boulder is $121.80.

During the route, an average car will release 731.54 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 Vermillion, SD and Boulder, MT

If you want to meet halfway between Vermillion, SD and Boulder, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.95996 and -104.323121, or 44º 57' 35.856" N, 104º 19' 23.2356" W. This location is 464.87 miles away from Vermillion, SD and Boulder, MT and it would take approximately 8 hours 10 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Alzada, MT, situated 480 miles from Vermillion, SD and 450 miles from Boulder, MT. It would take 8 hours 8 mins to go from Vermillion to Alzada and 8 hours 12 mins to go from Boulder to Alzada.