Distance between cities › USA › South Dakota › Box Elder, SD › Distance from Box Elder to Fairfield Book Hotels

Distance from Box Elder, SD to Fairfield, MT

Distance

577 mi

Time

10 hours 44 mins

Gas Cost

$54 - $105

There are 491.92 miles from Box Elder to Fairfield in northwest direction and 577 miles (928.59 kilometers) by car, following the US-212 route.

Box Elder and Fairfield are 10 hours 44 mins far apart, if you drive non-stop .

This is the fastest route from Box Elder, SD to Fairfield, MT. The halfway point is Brockway, MT.

Box Elder, SD and Fairfield, MT are in the same time zone (MDT). Current time in both locations is 5:33 am.

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Lowest Price Rental Cars in Box Elder, SD

Planning on renting a car to go from Box Elder, SD to Fairfield, MT? Here there are some offers to rent a car in Box Elder, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Box Elder »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 23.17 gallons of gas to cover the route between Box Elder, SD and Fairfield, MT.

The estimated cost of gas to go from Box Elder to Fairfield is $75.59.

During the route, an average car will release 453.98 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 Box Elder, SD and Fairfield, MT

If you want to meet halfway between Box Elder, SD and Fairfield, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 47.314487 and -105.802223, or 47º 18' 52.1532" N, 105º 48' 8.0028" W. This location is 288.49 miles away from Box Elder, SD and Fairfield, MT and it would take approximately 5 hours 22 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Brockway, MT, situated 376 miles from Box Elder, SD and 326 miles from Fairfield, MT. It would take 5 hours 49 mins to go from Box Elder to Brockway and 4 hours 57 mins to go from Fairfield to Brockway.