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

Distance from Boulder, MT to Pray, MT

Distance

129 mi

Time

2 hours 42 mins

Gas Cost

$12 - $23

There are 91.14 miles from Boulder to Pray in southeast direction and 129 miles (207.61 kilometers) by car, following the I-90 route.

Boulder and Pray are 2 hours 42 mins far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to Pray, MT. The halfway point is Manhattan, MT.

Boulder, MT and Pray, MT are in the same time zone (MDT). Current time in both locations is 1:33 am.

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Lowest Price Rental Cars in Boulder, MT

Planning on renting a car to go from Boulder, MT to Pray, 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 5.18 gallons of gas to cover the route between Boulder, MT and Pray, MT.

The estimated cost of gas to go from Boulder to Pray is $16.72.

During the route, an average car will release 101.57 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 Pray, MT

If you want to meet halfway between Boulder, MT and Pray, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.862053 and -111.359680, or 45º 51' 43.3908" N, 111º 21' 34.848" W. This location is 64.54 miles away from Boulder, MT and Pray, MT and it would take approximately 1 hour 21 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Manhattan, MT, situated 66 miles from Boulder, MT and 65 miles from Pray, MT. It would take 1 hour 24 mins to go from Boulder to Manhattan and 1 hour 3 mins to go from Pray to Manhattan.