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

Distance from Boulder, MT to Elmo, MT

Distance

229 mi

Time

4 hours 14 mins

Gas Cost

$21 - $41

There are 152.13 miles from Boulder to Elmo in northwest direction and 229 miles (368.54 kilometers) by car, following the US-12 route.

Boulder and Elmo are 4 hours 14 mins far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to Elmo, MT. The halfway point is Clinton, MT.

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

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Lowest Price Rental Cars in Boulder, MT

Planning on renting a car to go from Boulder, MT to Elmo, 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 9.19 gallons of gas to cover the route between Boulder, MT and Elmo, MT.

The estimated cost of gas to go from Boulder to Elmo is $29.63.

During the route, an average car will release 179.99 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 Elmo, MT

If you want to meet halfway between Boulder, MT and Elmo, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.697353 and -113.446198, or 46º 41' 50.4708" N, 113º 26' 46.3128" W. This location is 114.38 miles away from Boulder, MT and Elmo, 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 Clinton, MT, situated 128 miles from Boulder, MT and 103 miles from Elmo, MT. It would take 1 hour 59 mins to go from Boulder to Clinton and 1 hour 58 mins to go from Elmo to Clinton.