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

Distance from Roberts, MT to Selby, SD

Distance

499 mi

Time

10 hours 2 mins

Gas Cost

$46 - $89

There are 442.84 miles from Roberts to Selby in east direction and 499 miles (803.06 kilometers) by car, following the US-12 route.

Roberts and Selby are 10 hours 2 mins far apart, if you drive non-stop .

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

Please note the time difference between Roberts, MT and Selby, SD is 1 hour. The current time in Roberts is 12:04 am and the current time in Selby is 1:04 am.

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Lowest Price Rental Cars in Roberts, MT

Planning on renting a car to go from Roberts, MT to Selby, 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 20.04 gallons of gas to cover the route between Roberts, MT and Selby, SD.

The estimated cost of gas to go from Roberts to Selby is $64.21.

During the route, an average car will release 392.62 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 Selby, SD

If you want to meet halfway between Roberts, MT and Selby, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.416218 and -104.646534, or 46º 24' 58.3848" N, 104º 38' 47.5224" W. This location is 249.49 miles away from Roberts, MT and Selby, SD and it would take approximately 5 hours 1 min to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Plevna, MT, situated 257 miles from Roberts, MT and 242 miles from Selby, SD. It would take 5 hours 6 mins to go from Roberts to Plevna and 4 hours 55 mins to go from Selby to Plevna.