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

Distance from Roberts, MT to Brookings, SD

Distance

751 mi

Time

12 hours 57 mins

Gas Cost

$69 - $134

There are 609.76 miles from Roberts to Brookings in east direction and 751 miles (1,208.62 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Roberts and Brookings are 12 hours 57 mins far apart, if you drive non-stop .

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

Please note the time difference between Roberts, MT and Brookings, SD is 1 hour. The current time in Roberts is 10:39 pm and the current time in Brookings is 11:39 pm.

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Lowest Price Rental Cars in Roberts, MT

Planning on renting a car to go from Roberts, MT to Brookings, 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 30.17 gallons of gas to cover the route between Roberts, MT and Brookings, SD.

The estimated cost of gas to go from Roberts to Brookings is $96.68.

During the route, an average car will release 591.16 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 Brookings, SD

If you want to meet halfway between Roberts, MT and Brookings, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.118097 and -102.946206, or 44º 7' 5.1492" N, 102º 56' 46.3416" W. This location is 375.66 miles away from Roberts, MT and Brookings, SD and it would take approximately 6 hours 28 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is New Underwood, SD, situated 384 miles from Roberts, MT and 370 miles from Brookings, SD. It would take 7 hours 9 mins to go from Roberts to New Underwood and 5 hours 53 mins to go from Brookings to New Underwood.