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

Distance from Boulder, MT to Kremlin, MT

Distance

243 mi

Time

4 hours 15 mins

Gas Cost

$22 - $44

There are 187.16 miles from Boulder to Kremlin in northeast direction and 243 miles (391.07 kilometers) by car, following the US-87 route.

Boulder and Kremlin are 4 hours 15 mins far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to Kremlin, MT. The halfway point is Floweree, MT.

Boulder, MT and Kremlin, MT are in the same time zone (MDT). Current time in both locations is 1:34 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Boulder, MT to Kremlin, MT:

Lowest Price Rental Cars in Boulder, MT

Planning on renting a car to go from Boulder, MT to Kremlin, 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 9.76 gallons of gas to cover the route between Boulder, MT and Kremlin, MT.

The estimated cost of gas to go from Boulder to Kremlin is $31.48.

During the route, an average car will release 191.24 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 Kremlin, MT

If you want to meet halfway between Boulder, MT and Kremlin, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 47.656647 and -111.181625, or 47º 39' 23.9292" N, 111º 10' 53.85" W. This location is 121.53 miles away from Boulder, MT and Kremlin, MT and it would take approximately 2 hours 7 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Floweree, MT, situated 141 miles from Boulder, MT and 105 miles from Kremlin, MT. It would take 2 hours 48 mins to go from Boulder to Floweree and 2 hours 41 mins to go from Kremlin to Floweree.