Distance between cities › USA › South Dakota › Selby, SD › Distance from Selby to Redstone Book Hotels

Distance from Selby, SD to Redstone, MT

Distance

447 mi

Time

8 hours 17 mins

Gas Cost

$42 - $81

There are 325.01 miles from Selby to Redstone in northwest direction and 447 miles (719.38 kilometers) by car, following the US-83 route.

Selby and Redstone are 8 hours 17 mins far apart, if you drive non-stop .

This is the fastest route from Selby, SD to Redstone, MT. The halfway point is Dickinson, ND.

Please note the time difference between Selby, SD and Redstone, MT is 1 hour. The current time in Selby is 7:19 am and the current time in Redstone is 6:19 am.

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Lowest Price Rental Cars in Selby, SD

Planning on renting a car to go from Selby, SD to Redstone, MT? Here there are some offers to rent a car in Selby, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Selby »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 17.94 gallons of gas to cover the route between Selby, SD and Redstone, MT.

The estimated cost of gas to go from Selby to Redstone is $58.53.

During the route, an average car will release 351.54 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 Selby, SD and Redstone, MT

If you want to meet halfway between Selby, SD and Redstone, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.888042 and -102.779587, or 46º 53' 16.9512" N, 102º 46' 46.5132" W. This location is 223.39 miles away from Selby, SD and Redstone, MT and it would take approximately 4 hours 8 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Dickinson, ND, situated 218 miles from Selby, SD and 229 miles from Redstone, MT. It would take 4 hours 9 mins to go from Selby to Dickinson and 4 hours 47 mins to go from Redstone to Dickinson.