Distance between cities › USA › Montana › Roberts, MT › Distance from Roberts to Box Elder Book Hotels

Distance from Roberts, MT to Box Elder, SD

Distance

371 mi

Time

6 hours 55 mins

Gas Cost

$34 - $66

There are 311.46 miles from Roberts to Box Elder in southeast direction and 371 miles (597.07 kilometers) by car, following the US-212 and MT 59 route.

Roberts and Box Elder are 6 hours 55 mins far apart, if you drive non-stop .

This is the fastest route from Roberts, MT to Box Elder, SD.

Roberts, MT and Box Elder, SD are in the same time zone (MDT). Current time in both locations is 10:30 pm.

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Lowest Price Rental Cars in Roberts, MT

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Roberts »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 14.88 gallons of gas to cover the route between Roberts, MT and Box Elder, SD.

The estimated cost of gas to go from Roberts to Box Elder is $47.67.

During the route, an average car will release 291.52 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Roberts, MT and Box Elder, SD

If you want to meet halfway between Roberts, MT and Box Elder, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.571463 and -106.038635, or 45º 34' 17.2668" N, 106º 2' 19.086" W. This location is 185.25 miles away from Roberts, MT and Box Elder, SD and it would take approximately 3 hours 27 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Ashland, MT, situated 172 miles from Roberts, MT and 204 miles from Box Elder, SD. It would take 3 hours 14 mins to go from Roberts to Ashland and 3 hours 57 mins to go from Box Elder to Ashland.