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

Distance from Boulder, MT to Bloomfield, MT

Distance

471 mi

Time

8 hours 36 mins

Gas Cost

$43 - $84

There are 349.94 miles from Boulder to Bloomfield in northeast direction and 471 miles (758.00 kilometers) by car, following the I-94 route.

Boulder and Bloomfield are 8 hours 36 mins far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to Bloomfield, MT. The halfway point is Huntley, MT.

Boulder, MT and Bloomfield, MT are in the same time zone (MDT). Current time in both locations is 1:36 am.

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Lowest Price Rental Cars in Boulder, MT

Planning on renting a car to go from Boulder, MT to Bloomfield, 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 18.90 gallons of gas to cover the route between Boulder, MT and Bloomfield, MT.

The estimated cost of gas to go from Boulder to Bloomfield is $60.97.

During the route, an average car will release 370.37 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 Bloomfield, MT

If you want to meet halfway between Boulder, MT and Bloomfield, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.868385 and -108.337151, or 45º 52' 6.186" N, 108º 20' 13.7436" W. This location is 235.36 miles away from Boulder, MT and Bloomfield, MT and it would take approximately 4 hours 18 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Huntley, MT, situated 240 miles from Boulder, MT and 234 miles from Bloomfield, MT. It would take 3 hours 56 mins to go from Boulder to Huntley and 4 hours 46 mins to go from Bloomfield to Huntley.

Major City Closest to Halfway Point

The major city closest to the halfway point between Boulder, MT and Bloomfield, MT is Billings, MT, situated 226 miles from Boulder, MT and 245 miles from Bloomfield, MT. It would take 3 hours 41 mins to go from Boulder to and 4 hours 57 mins to go from Bloomfield to Billings.