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

Distance from Boulder, MT to Alpine, AL

Distance

1,975 mi

Time

1 day 12 hours

Gas Cost

$186 - $361

There are 1,625.76 miles from Boulder to Alpine in southeast direction and 1,975 miles (3,178.45 kilometers) by car, following the I-29 route.

Boulder and Alpine are 1 day 12 hours far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to Alpine, AL. The halfway point is Beresford, SD.

Please note the time difference between Boulder, MT and Alpine, AL is 1 hour. The current time in Boulder is 1:39 am and the current time in Alpine is 2:39 am.

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Lowest Price Rental Cars in Boulder, MT

Planning on renting a car to go from Boulder, MT to Alpine, AL? 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 79.30 gallons of gas to cover the route between Boulder, MT and Alpine, AL.

The estimated cost of gas to go from Boulder to Alpine is $260.98.

During the route, an average car will release 1,553.67 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 Alpine, AL

If you want to meet halfway between Boulder, MT and Alpine, AL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.145470 and -96.785980, or 43º 8' 43.692" N, 96º 47' 9.528" W. This location is 987.30 miles away from Boulder, MT and Alpine, AL and it would take approximately 18 hours 8 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Beresford, SD, situated 973 miles from Boulder, MT and 1,120 miles from Alpine, AL. It would take 14 hours 13 mins to go from Boulder to Beresford and 17 hours 2 mins to go from Alpine to Beresford.

Major City Closest to Halfway Point

The major city closest to the halfway point between Boulder, MT and Alpine, AL is Sioux Falls, SD, situated 942 miles from Boulder, MT and 1,152 miles from Alpine, AL. It would take 13 hours 49 mins to go from Boulder to and 17 hours 29 mins to go from Alpine to Sioux Falls.