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

Distance from Roberts, MT to Barnard, SD

Distance

642 mi

Time

10 hours 58 mins

Gas Cost

$60 - $116

There are 516.62 miles from Roberts to Barnard in east direction and 642 miles (1,033.20 kilometers) by car, following the I-94 route.

Roberts and Barnard are 10 hours 58 mins far apart, if you drive non-stop .

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

Please note the time difference between Roberts, MT and Barnard, SD is 1 hour. The current time in Roberts is 1:27 am and the current time in Barnard is 2:27 am.

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Lowest Price Rental Cars in Roberts, MT

Planning on renting a car to go from Roberts, MT to Barnard, 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 25.79 gallons of gas to cover the route between Roberts, MT and Barnard, SD.

The estimated cost of gas to go from Roberts to Barnard is $84.11.

During the route, an average car will release 505.19 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 Roberts, MT and Barnard, SD

If you want to meet halfway between Roberts, MT and Barnard, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.949516 and -103.635078, or 46º 56' 58.2576" N, 103º 38' 6.2808" W. This location is 321.03 miles away from Roberts, MT and Barnard, SD and it would take approximately 5 hours 29 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Medora, ND, situated 328 miles from Roberts, MT and 315 miles from Barnard, SD. It would take 5 hours 41 mins to go from Roberts to Medora and 5 hours 22 mins to go from Barnard to Medora.