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

Distance from Boulder, MT to Avalon, WI

Distance

1,353 mi

Time

23 hours 48 mins

Gas Cost

$126 - $245

There are 1,169.42 miles from Boulder to Avalon in southeast direction and 1,353 miles (2,177.44 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Boulder and Avalon are 23 hours 48 mins far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to Avalon, WI. The halfway point is Okaton, SD.

Please note the time difference between Boulder, MT and Avalon, WI is 1 hour. The current time in Boulder is 12:02 am and the current time in Avalon is 1:02 am.

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Lowest Price Rental Cars in Boulder, MT

Planning on renting a car to go from Boulder, MT to Avalon, WI? 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 54.34 gallons of gas to cover the route between Boulder, MT and Avalon, WI.

The estimated cost of gas to go from Boulder to Avalon is $177.25.

During the route, an average car will release 1,064.58 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Boulder, MT and Avalon, WI

If you want to meet halfway between Boulder, MT and Avalon, WI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.876541 and -100.981712, or 43º 52' 35.5476" N, 100º 58' 54.1632" W. This location is 676.50 miles away from Boulder, MT and Avalon, WI and it would take approximately 11 hours 54 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Okaton, SD, situated 723 miles from Boulder, MT and 687 miles from Avalon, WI. It would take 10 hours 59 mins to go from Boulder to Okaton and 9 hours 38 mins to go from Avalon to Okaton.