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

Distance from Boulder, MT to Aloha, OR

Distance

703 mi

Time

12 hours 52 mins

Gas Cost

$66 - $129

There are 519.15 miles from Boulder to Aloha in west direction and 703 miles (1,131.37 kilometers) by car, following the US-12 route.

Boulder and Aloha are 12 hours 52 mins far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to Aloha, OR. The halfway point is Spokane, WA.

Please note the time difference between Boulder, MT and Aloha, OR is 1 hour. The current time in Boulder is 1:44 am and the current time in Aloha is 12:44 am.

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Lowest Price Rental Cars in Boulder, MT

Planning on renting a car to go from Boulder, MT to Aloha, OR? 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 28.23 gallons of gas to cover the route between Boulder, MT and Aloha, OR.

The estimated cost of gas to go from Boulder to Aloha is $92.92.

During the route, an average car will release 553.17 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 $3.29 per gallon of regular gas. Price last updated on March 13, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Boulder, MT and Aloha, OR

If you want to meet halfway between Boulder, MT and Aloha, OR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 47.622654 and -117.486191, or 47º 37' 21.5544" N, 117º 29' 10.2876" W. This location is 351.52 miles away from Boulder, MT and Aloha, OR and it would take approximately 6 hours 26 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest and also the major city is Spokane, WA, situated 339.95 miles from Boulder, MT and 353.54 miles from Aloha, OR. It would take 5 hours 1 min to go from Boulder to Spokane and 5 hours 42 mins to go from Aloha to Spokane.