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

Distance from Boulder, MT to Coram, MT

Distance

237 mi

Time

4 hours 29 mins

Gas Cost

$22 - $43

There are 175.67 miles from Boulder to Coram in northwest direction and 237 miles (381.41 kilometers) by car, following the MT 83 route.

Boulder and Coram are 4 hours 29 mins far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to Coram, MT. The halfway point is Ovando, MT.

Boulder, MT and Coram, MT are in the same time zone (MDT). Current time in both locations is 1:40 am.

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Lowest Price Rental Cars in Boulder, MT

Planning on renting a car to go from Boulder, MT to Coram, 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 9.53 gallons of gas to cover the route between Boulder, MT and Coram, MT.

The estimated cost of gas to go from Boulder to Coram is $30.74.

During the route, an average car will release 186.72 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 Coram, MT

If you want to meet halfway between Boulder, MT and Coram, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 47.019661 and -113.296288, or 47º 1' 10.7796" N, 113º 17' 46.6368" W. This location is 118.65 miles away from Boulder, MT and Coram, MT and it would take approximately 2 hours 14 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Ovando, MT, situated 104 miles from Boulder, MT and 133 miles from Coram, MT. It would take 1 hour 49 mins to go from Boulder to Ovando and 2 hours 13 mins to go from Coram to Ovando.