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

Distance from Selby, SD to Square Butte, MT

Distance

692 mi

Time

12 hours 37 mins

Gas Cost

$65 - $125

There are 572.64 miles from Selby to Square Butte in northwest direction and 692 miles (1,113.67 kilometers) by car, following the MT 200 S route.

Selby and Square Butte are 12 hours 37 mins far apart, if you drive non-stop .

This is the fastest route from Selby, SD to Square Butte, MT. The halfway point is Circle, MT.

Please note the time difference between Selby, SD and Square Butte, MT is 1 hour. The current time in Selby is 10:11 am and the current time in Square Butte is 9:11 am.

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Lowest Price Rental Cars in Selby, SD

Planning on renting a car to go from Selby, SD to Square Butte, 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 27.80 gallons of gas to cover the route between Selby, SD and Square Butte, MT.

The estimated cost of gas to go from Selby to Square Butte is $90.67.

During the route, an average car will release 544.57 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 Square Butte, MT

If you want to meet halfway between Selby, SD and Square Butte, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 47.413673 and -105.584602, or 47º 24' 49.2228" N, 105º 35' 4.5672" W. This location is 346.05 miles away from Selby, SD and Square Butte, MT and it would take approximately 6 hours 19 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Circle, MT, situated 364 miles from Selby, SD and 352 miles from Square Butte, MT. It would take 6 hours 10 mins to go from Selby to Circle and 7 hours 18 mins to go from Square Butte to Circle.