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

Distance from Boulder, MT to Yellowtail, MT

Distance

318 mi

Time

6 hours 28 mins

Gas Cost

$29 - $57

There are 212.15 miles from Boulder to Yellowtail in southeast direction and 318 miles (511.77 kilometers) by car, following the I-90 route.

Boulder and Yellowtail are 6 hours 28 mins far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to Yellowtail, MT.

Boulder, MT and Yellowtail, 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 Yellowtail, 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 12.79 gallons of gas to cover the route between Boulder, MT and Yellowtail, MT.

The estimated cost of gas to go from Boulder to Yellowtail is $41.25.

During the route, an average car will release 250.57 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 Yellowtail, MT

If you want to meet halfway between Boulder, MT and Yellowtail, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.734602 and -109.716536, or 45º 44' 4.5672" N, 109º 42' 59.5296" W. This location is 159.23 miles away from Boulder, MT and Yellowtail, MT and it would take approximately 3 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 Greycliff, MT, situated 155 miles from Boulder, MT and 165 miles from Yellowtail, MT. It would take 2 hours 57 mins to go from Boulder to Greycliff and 3 hours 33 mins to go from Yellowtail to Greycliff.